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A marksman at rest fires a 4.00-kg gun that expels a bullet of mass 0.0140 kg with a velocity of 181 m/s. The marksman's mass is
1. 5 answers
2. 4,245 views
If Earth shrinks in size such that its shape and mass remain the same, but the radius decreases to 0.21 times its original
1. 2 answers
2. 755 views
Venus has radius 6.05 x 10^6 m and mass 4.87 x 10^24 kg. Calculate the value of acceleration due to gravity on Venus's surface.d
1. 5 answers
2. 6,006 views
A force of 200 N acts on a 7.20-kg bowling ball for 0.350 s. Calculate its change in velocity.7.20/0.350 = 20.57 m/s
1. 6 answers
2. 1,576 views
Calculate the force of gravatational attraction between two spheres of mass 10.1 kg and 45.4 kg that are 38.5 m apart.F =
1. 1 answer
2. 613 views
A 1.00-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 2.00 m/s. Find the
1. 2 answers
2. 3,340 views
A player kicks a football with an initial velocity of 3.00 m/s at an angle of 60.0 above the horizontal. What is the horizontal
1. 1 answer
2. 4,880 views
A marksman at rest fires a 4.00-kg gun that expels a bullet of mass 0.0140 kg with a velocity of 181 m/s. The marksman's mass is
1. 2 answers
2. 912 views
If Earth shrinks in size such that its shape and mass remain the same, but the radius decreases to 0.21 times its original
1. 0 answers
2. 719 views
Venus has radius 6.05 x 10^6 m and mass 4.87 x 10^24 kg. Calculate the value of acceleration due to gravity on Venus's surface.I
1. 0 answers
2. 703 views
A force of 200 N acts on a 7.20-kg bowling ball for 0.350 s. Calculate its change in velocity.7.20/0.350 = 20.57 m/s
1. 1 answer
2. 559 views
A 6110-kg bus traveling at 20.0 m/s can be stopped in 24.0 s by gently applying the brakes. What is the average force exerted on
1. 2 answers
2. 1,861 views
Calculate the force of gravatational attraction between two spheres of mass 10.1 kg and 45.4 kg that are 38.5 m apart.F =
1. 2 answers
2. 4,227 views
A 1.00-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 2.00 m/s. Find the
1. 1 answer
2. 858 views
A 0.50-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 1.0 m/s. Find the
1. 1 answer
2. 1,505 views
A player kicks a football with an initial velocity of 3.00 m/s at an angle of 60.0 above the horizontal. What is the horizontal
1. 1 answer
2. 777 views
In calculating the force of gravity between two objects, if the distance between the objects increased 4 times, the force of
1. 3 answers
2. 626 views
In calculating the force of gravity between two objects, if the mass of one object increased by 4 and the other by 2, how many
1. 2 answers
2. 675 views
A missile launched at a velocity of 30.0 m/s at an angle of 30.0 to the normal. What is the maximum height the missile attains?s
1. 5 answers
2. 3,788 views
A ball is thrown horizontally at 10.0 m/s from the top of a hill 50.0 m high. How far from the base of the hill would the ball
1. 9 answers
2. 6,433 views
Please understand that I am not upset with anyone or whatever I just want to know something. I have some work to be checked and
1. 3 answers
2. 876 views
11)Which has more momentum, an elephant standing still or a raisin dropped from your hand?The raisin 12)A player kicks a
1. 1 answer
2. 672 views
9)Which has more momentum? A .1 kg toy truck moving at 1012 m/s or a real 2200 kg truck moving at .046 m/s?The real truck since
1. 9 answers
2. 652 views
7)In calculating the force of gravity between two objects, if the mass of one object increased by 4 and the other by 2, how many
1. 2 answers
2. 767 views
5)A ball is thrown horizontally at 10.0 m/s from the top of a hill 50.0 m high. How far from the base of the hill would the ball
1. 1 answer
2. 1,192 views
3)A soldier throws a grenade horizontally from the top of a cliff. Which of the following curves best describes the path taken
1. 2 answers
2. 1,748 views
True/False (#1 only)1)The horizontal motion of a horizontally launched projectile affects its vertical motion. False 2)The path
1. 1 answer
2. 927 views
with what I'm doing or is there no one on to help with my questions?
1. 1 answer
2. 310 views
An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator?
1. 1 answer
2. 1,139 views
16)You are pushing a 55N lawnmower across the yard. Its handle makes a 55 degree angle with the ground. What force are you
1. 1 answer
2. 790 views
4)A bug is moving east at 1 m/s. A semi-truck is moving west at 45 m/s. They collide and the bug is splattered across the
1. 0 answers
2. 536 views
An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator?
1. 0 answers
2. 691 views
16)You are pushing a 55N lawnmower across the yard. Its handle makes a 55 degree angle with the ground. What force are you
1. 0 answers
2. 636 views
14)The cable of the elevator you are riding in breaks and the elevator begins to freefall at terminal velocity to the ground.
1. 4 answers
2. 608 views
4)A bug is moving east at 1 m/s. A semi-truck is moving west at 45 m/s. They collide and the bug is splattered across the
1. 0 answers
2. 1,031 views
18)An airplane has to fly eastward to a destination 856 km away. If wind is blowing at 18.0 m/s northward and the air speed of
1. 3 answers
2. 1,797 views
15)If a horizontal force applied on a resting object is greater than the force of friction, the object will.accelerate in the
1. 0 answers
2. 700 views
12)It is summertime and two boys cannot wait for winter. One boy exerts a 70N horizontal force as he pushes his 58 kg friend
1. 3 answers
2. 623 views
8)If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period?0 m/s^2 b/c
1. 1 answer
2. 602 views
6)Which of Newton's laws would best explain what causes a basketball to bounce?Third 7)Which of Newton's laws would best explain
1. 1 answer
2. 1,342 views
4)A bug is moving east at 1 m/s. A semi-truck is moving west at 45 m/s. They collide and the bug is splattered across the
1. 0 answers
2. 543 views
9)You are taking a road trip to the beach for Spring Break. You leave at 12:00pm. At 12:10 you stop for lunch 10 miles down the
1. 3 answers
2. 1,096 views
True/False3)The position-time graph of an object moving with a constant average velocity is always a straight line. True 4)A
1. 1 answer
2. 976 views
17)Under what conditions can an object travel a certain distance and yet its resultant displacement be zero?When the final
1. 1 answer
2. 506 views
13)What can you say about the motion of a body if its velocity-time graph is a straight line inclined with the time axis?The
1. 1 answer
2. 790 views
11)A race car travels on a racetrack at 38 m/s and slows at a constant rate to a velocity of 20 m/s over 10 s. How far does it
1. 1 answer
2. 666 views
9)You are taking a road trip to the beach for Spring Break. You leave at 12:00pm. At 12:10 you stop for lunch 10 miles down the
1. 3 answers
2. 564 views
7)A car is moving with a uniform speed of 15.0 m/s along a straight path. What is the distance covered by the car in 12.0
1. 5 answers
2. 2,490 views
True/False3)The position-time graph of an object moving with a constant average velocity is always a straight line. True 4)A
1. 0 answers
2. 853 views
what is .020833333 in scientific notation?
1. 2 answers
2. 606 views
My previous question:Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (secx/sinx)*(cotx/cscx) = (secx/cscx)(cotx/sinx) =
1. 2 answers
2. 978 views
Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity.(x=theta BTW)
1. 1 answer
2. 672 views
Solve: x=Arctan(-sqrt3).
1. 1 answer
2. 387 views
P(-15/17,-8/17) is found on the unit circle. Find sin theta and cos theta.P(-15/17,-8/17)= P(cos theta,sin theta) sin=-8/17
1. 1 answer
2. 869 views
Should the triangle be solved beginning with Law of Sines of Law of Cosines. Then solve the triangle. Round to the nearest
1. 7 answers
2. 2,046 views
Should the triangle be solved beginning with Law of Sines of Law of Cosines. Then solve the triangle. Round to the nearest
1. 1 answer
2. 733 views
In triangle ABC, A=35 degrees, a=43, and c=20. Determine whether ABC has no solution, one solution, or two solutions. Then solve
1. 4 answers
2. 647 views
Find the area of ABC if A=56 degrees, b=20ft, and c=12ft.1/2(20)(12)sin56 1/2(240)sin56 99.5
1. 0 answers
2. 354 views
Find the exact value of: sin60-cos60.do I just type sin60-cos60 in my calculator? = .37
1. 1 answer
2. 529 views
Find the exact value of: tan(-3pi).
1. 1 answer
2. 1,302 views
Find the exact value of: sin405.reference angle=225 sin225= -.707106781 = -.71
1. 1 answer
2. 838 views
Find the exact value of cot(-pi/6).I don't have a lot of work for this one all I have is 30 I guess that was suppose to be the
1. 1 answer
2. 611 views
Find the exact values of the six trigonometric functions 0 if the terminal side of 0 in standard position contains the
1. 1 answer
2. 3,061 views
Find one angle with positive measure and one angle with negative measure coterminal with -310-310+360=50 -310-360=-670 so
1. 1 answer
2. 1,152 views
Rewrite 9pi/5 radians in degree measure.9pi/5 =9pi/5(180/pi radians) =1620/5 =324 degrees
1. 1 answer
2. 801 views
Rewrite -25 degrees in radian form.-25 =-25(pi radians/180) =-25pi/180 radians =-5pi/36
1. 1 answer
2. 577 views
Solve ABC if C=90 degrees, B=20 degrees, and b=10. Round measures of side to the nearest tenth and measures of angles to the
1. 1 answer
2. 707 views
During a clothing sale, 1/4 of the store merchandise is reduced in price. Find the probablility that 3 of 5 randomly-selectled
1. 3 answers
2. 531 views
During a clothing sale, 1/4 of the store merchandise is reduced in price. Find the probablility that 3 of 5 randomly-selectled
1. 0 answers
2. 420 views
The time a group of high school students arrive home from school each day was found to be normally distributed. The mean time
1. 2 answers
2. 615 views
For questions 1 and 2 use the following info. The numbers are in this order: 456,306,160,363,376,935,54,3491)Find the mean,
1. 1 answer
2. 570 views
Two cards are drawn from a standard deck of cards. Find the probability that a king or a red card is drawn?(4/52)*(26/52)104/270
1. 2 answers
2. 581 views
From a group of 6 men and 4 women, a committee of 3 is to be selected at random. Find P(at least 2 women).It might be a little
1. 1 answer
2. 476 views
A red die and a blue die are tossed. What is the probability that the red die shows an odd number and the blue die shows a 1 or
1. 1 answer
2. 708 views
If the probability that an event will occur is 8/13, what are the odds that it will occur?8:13
1. 1 answer
2. 522 views
Evaluate C(12,10).C(n,r)=n!/(n-r)!r! =12!/(12-10)!10 =12!/2!2 =12*11/2*1 =66
1. 1 answer
2. 838 views
Students are given a list of ten vocabulary words to learn. In how many ways could four of the words be listed on a test?10*4 40
1. 2 answers
2. 534 views
A scout troop will prepare trail mix for their next hike. They have decided to mix one type of nut, one type of dried fruit, and
1. 1 answer
2. 639 views
Find a counterexample to the statement 4^n + 1 is divisible by 5.
1. 3 answers
2. 456 views
Prove that the statement: (1/5)+(1/5^2)+(1/5^3)+...+(1/5^n)=(1/4)(1-1/5^n) is true for all positive integers n. Write your proof
1. 3 answers
2. 500 views
Use the Binomial Theorem to find the fifth term in the expansion (2x+3y)^5.5!/(5-k)^x^5-kyk 5!/(5-4)!4!^x^5-4y4
1. 1 answer
2. 718 views
Find the first three iterates x1,x2,x3 of f(x)=2x-5 for an initial value of x0=3.x1=f(x0) =f(1) =2(1)-5 =-3 2(-3)-5 -6-5 -11
1. 0 answers
2. 399 views
Find the first five terms of the sequence for which a1=5,and an+1=3an+1.an+1=3an+1 a1+1=3a1+1 a2=3(5)+1 a2=16 a2+1=3a2+1
1. 1 answer
2. 3,418 views
Find the sum of the infinite geometric series 36+24+16+...if it exists.r=24/36=2/3 S=a1/1-r (36)/1-(2/3) 36/.33 repeating S=108
1. 0 answers
2. 654 views
Find a1 in a geometric series for which Sn=189,r=1/2,and an=3.Sn=a1(1-r^n)/1-r 189=a1(1-1/2^3)/1-1/2 189=a1(-.5)/.5 189/-.25
1. 1 answer
2. 579 views
Find the sum of a geometric series for which a1=1,r=2,and n=6.Sn=a1(1-r^n)/1-r S6=1(1-2^6)/1-2 S6=1(1-64)/1-2 S6=63/1 63
1. 1 answer
2. 397 views
Find four geometric means between 4096 and 972.an=a1*r^n-1 a6=972*r^6-1 4096=972r^5 4.2=r^5 1.3 972(1.3)=1296 1296(1.3)=1728
1. 1 answer
2. 1,398 views
Find the inverse of f(x)= 7x-2.y = 7x - 2 x = 7y - 2 7y/7 = x - 2/7 = f^-1(x)= (x - 2)/7
1. 1 answer
2. 368 views
f(x)= 3x and g(x)= 4x - 3, find f[g(5)] and g[f(5)].[3(5)] = 15 4(5)-3 20-3 = 17 so f(x)= 15 and g(x)= 17
1. 1 answer
2. 334 views
List all of the possible rational zeros of f(x)= 3x^5 - 7x^3 + 2x - 15.p= factor of 15 q= factor of 3 1,3,5,15 1,3 answer is
1. 0 answers
2. 458 views
State the number of positive real zeros, negative real zeros, and imaginary zeros for g(x)= 9x^3 - 7x^2 + 10x - 4.The only thing
1. 0 answers
2. 589 views
One factor of f(x) = x^3 + x^2 -22x - 40 is x + 4. Find the other factors.I got confused on my work but I ended up with x - 6
1. 1 answer
2. 575 views
Use synthetic substitution to find f(-3) for f(x) = 2x^3 - 6x^2 - 5x + 7._3|2 -6 -5 7 6 36 93 ______________ 2 0 31|100 then I
1. 1 answer
2. 1,179 views
Solve: -x^4 + 200 = 102x^2I know the last line was wrong I just took a guess on factoring it out. I just knew how to do the
1. 2 answers
2. 582 views
Solve: -x^4 + 200 = 102x^2-x^4-102x^2+200=0 (-x^2)^2-102(x^2)+200=0 (x^2-51)(x^2+51)(x-20)(x-10) I'm stuck at this point
1. 1 answer
2. 635 views
Solve: -x^4 + 200 = 102x^2
1. 2 answers
2. 520 views
Find: p(-3) if p(x)= x^5 + 3x^2.-3^5 + 3(-3)^2 -243 + 27 -216 (answer)
1. 1 answer
2. 469 views
Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5y = |2x+3|^2-5 h = 3 k = -5 vertex = (3,-5) axis
1. 3 answers
2. 558 views
Write y= -4x^2+8x-1 in vertex form.y= (-4x^2+8x+2+16)-1+2+16 y= (-2x+4)^2+17 (answer)
1. 1 answer
2. 643 views
Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5.vertex = 1/2 axis = 1/2 direction = up
1. 3 answers
2. 1,326 views

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