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Vishnu
Questions (34)
1/7√3
1 answer
89 views
Shanti bought lemons at 7 foe Rs.6
and sold them at 6 for Rs.7. (1).find her profit percentage (2).how many lemons would she have
3 answers
4,169 views
A box of 24 ornaments contain 3/4 red ornaments.
How many red ornaments are in the box? How many ornaments are another color than
1 answer
387 views
Child standing in front of a wall claps his hands and hears the Eco after 0.5 sec . Determine his distance from wall velocity of
3 answers
660 views
Which of the following was a topic of study in early sociology?
a. Astrology b. Economics c. Physics d. History
6 answers
5,186 views
Differentitate the function y =4(pi)^2
1 answer
316 views
Differentiate the funciton
H(x) = (x + x^-1)^3
1 answer
433 views
Find an equation of the tangent line to the curve at the given point
y = x + cosx, (0,1)
0 answers
443 views
Please find the Derivative of the function
y =sec^2x + tan^2x
1 answer
932 views
Find the first and second derivatives of the function.
h(x) = sqrt x^2 + 1
1 answer
593 views
Find equations of the tangent line and normal line to the curve at the given point.
y = x^4 + 2e^x, (0,2)
1 answer
564 views
A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot
2 answers
516 views
An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the
1 answer
540 views
A bag of cement of weight 370 N hangs from three wires
Two of the wires make angles è1 = 58.6° and è2 = 23.8° with the
1 answer
1,211 views
A man weighs 75 kg. What is his weight on the moon, where g=2.21 m/s2
5 answers
5,677 views
A woman has a mass of 64.2 kg. What is her weight on earth?
1 answer
599 views
An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the
5 answers
813 views
Imagine you and a friend have robbed the Union Market. You are caught speeding out of the parking lot and are promptly
1 answer
574 views
How long does it take the skier to reach the bottom?
1 answer
685 views
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and
0 answers
541 views
A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at
5 answers
811 views
A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's
4 answers
902 views
You are driving to the grocery store at 12.2 m/s. You are 193.0 m from an intersection when the traffic light turns red. Assume
1 answer
454 views
In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 207.9 m long cannon. The final
2 answers
1,082 views
A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's
2 answers
770 views
A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at
2 answers
679 views
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and
2 answers
450 views
A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's
1 answer
512 views
In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 207.9 m long cannon. The final
1 answer
650 views
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and
1 answer
588 views
An object is thrown vertically upward with a speed of 19.1 m/s. How high does it rise?
2 answers
479 views
Identify the species which obey the octet rule for every atom. (The central atoms are underlined).
a. ClO3- (Cl is underlined) b.
2 answers
1,993 views
Select all true statements from the following:
a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally
3 answers
4,210 views
When copper is dissolved in nitric acid, a brown gas (NO2) is evolved, either by direct production of NO2 or by production of NO
3 answers
793 views
Answers (15)
Please can you tell me ans of this question
H=u^2/2g =20×20/2×10 =20m/s
You learn ratios, ordering fractions, long division and other things.
I ran past the finish line in the race!
Never mind, I got the answer :)
What is the magnitude of the torque about his shoulder if he holds his arm straight, but 46.6° below horizontal?
will the weight be in kg or grams?
Should the lenght be in centimetres or metres and the mass of the ball in kilograms?
h =18.0 m angle = 13.1° hypotenuse = ? Sine function formula is: Opposite / hypotneuse What is opposite?
41.8 m/s ?
So the answer is 41.8 m?
Can i have the formula for this step please?
308/21 = 14.66 m/s I still get a wrong answer
The answer is 1744.89 m/s That's a little fast. Should I Square root this answer?
Thanks Doc
