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arcos15
Questions (38)
When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making?
Which of the below? -The
1 answer
718 views
When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making?
Which of the below? The
0 answers
941 views
A beetle whose mass is 2 g sits on a turntable at a distance of 12 cm from the center. The turntable is rotating at 33 rpm.
(a)
1 answer
669 views
A beetle whose mass is 2 g sits on a turntable at a distance of 12 cm from the center. The turntable is rotating at 33 rpm.
(a)
2 answers
959 views
A car travels in a circle whose radius is 31 m, with a speed of 19 m/s.
(1) What is the magnitude of the car's acceleration?
0 answers
768 views
Two masses m1 = 2 kg and m2 = 4 kg are connected by a light string. Mass m2 is connected to mass M = 14 kg by a string that
1 answer
1,131 views
You are pushing three equal boxes, 8kg each, with a force of 250 on the first.
What is the magnitude of the force of the first
1 answer
406 views
You are pushing three equal boxes, 8kg each, with a force of 250 on the first.
What is the magnitude of the force of the first
0 answers
629 views
You are pushing three equal boxes, 8kg each, with a force of 250 on the first.
What is the magnitude of the force of the first
0 answers
392 views
A 5 kg block is pulled from rest along a horizontal surface by a rope with a force of 12 N. It experiences a constant frictional
1 answer
474 views
Two 12.0 kg boxes are connected by a massless string that passes over a massless frictionless pulley as shown above. The boxes
2 answers
1,107 views
A diagram represents a 5 N force to the North and a 12 N force East acting on an object P of mass 6.5kg.
-The Magnitude of the
1 answer
735 views
A 19 N thrust is exerted on a 0.4 kg rocket for a time interval of 8 s as it moves straight up. (Neglect all forces except this
0 answers
521 views
A crate of unknown mass is pulled upward by a rope. The tension in the rope is 11 N and the crate accelerates upward at a rate
0 answers
822 views
A child with a mass of 39 kg stands on a spring scale inside an elevator. For each of the scenarios below, draw a force diagram
0 answers
1,257 views
A 19 N thrust is exerted on a 0.4 kg rocket for a time interval of 8 s as it moves straight up. (Neglect all forces except this
1 answer
574 views
A 2 kg block is pulled from rest along a horizontal surface by a rope with a force of 16 N. It experiences a constant frictional
1 answer
543 views
I need help solving for this final problem to complete my assigment. Please help!
Solve for x: ln(x^4)-ln(x^2)=2
1 answer
364 views
I need help solving for this final problem to complete my assigment. Please help!
Solve for x: ln(x^4)-ln(x^2)=2
3 answers
342 views
A particle's motion is described by x(t)=8t-2t2. (where x is in meters and t is in seconds)
f) How fast is the particle moving at
1 answer
598 views
F1 and F2 are two horizontal forces of 70 N each, acting on a wagon. They are at 45° to the x-axis and at right angles to each
0 answers
481 views
A car is traveling at a constant negative velocity of 12.0 m/s. The driver steps on the brakes. The car slows to a stop. The car
0 answers
771 views
A juggler performs in a room with a ceiling 2.71 m above hand level. What is the maximum upward speed (in m/s) which she can
0 answers
568 views
An object moves in the +x direction at a speed of 30 m/s. As it passes through the origin, it starts to experience a constant
1 answer
831 views
A car is moving in the +x direction with the following position equation of motion: x = 5.41(m/s)t - 2.7(m/s^2)t^2.
(a) What is
1 answer
581 views
A car is moving in the +x direction with the following position equation of motion: x = 5.41(m/s)t - 2.7(m/s^2)t^2.
(a) What is
1 answer
498 views
A car traveling 56 km/h is 22.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.15 s later.
(a)
0 answers
688 views
A stone is thrown vertically upward from outside a window, with an initial velocity of 24.0 m/s. It moves up, and then down to
0 answers
567 views
A stone is thrown vertically upward from outside a window, with an initial velocity of 24.0 m/s. It moves up, and then down to
3 answers
615 views
A car traveling 56 km/h is 22.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.15 s later.
(a)
1 answer
1,537 views
A jogger runs eastward in a straight line with an average speed of 2.25 m/s for 4.98 min and then continues with an average
1 answer
1,959 views
The strength of attraction, Fm, between two magnets can be described as Fm~1/d2. You separate the two magnets from d=1 cm to d=7
1 answer
395 views
A sign whose weight is 95 lbs is held up by a chain.
(1) With what force does the chain need to be pulled up to keep the sign in
2 answers
727 views
To make a large-scale representation of a hydrogen atom in its ground state, you start with a super ball (D=3.74 cm) to
0 answers
384 views
To make a large-scale representation of a hydrogen atom in its ground state, you start with a super ball (D=3.74 cm) to
1 answer
1,117 views
Consider the resonance structures for the carbonate ion.
O--C-O(-) l O(-) (-)O-C--O l O(-) (-)O-C-O(-) l l O How much negative
2 answers
7,056 views
A 0.02847 g sample of gas occupies 10.0-mL at 292.0 K and 1.10 atm. Upon further analysis, the compound is found to be 38.734% C
2 answers
5,665 views
A 0.02847 g sample of gas occupies 10.0-mL at 292.0 K and 1.10 atm. Upon further analysis, the compound is found to be 38.734% C
0 answers
813 views
Answers (6)
Use the Pythagorean Theorem
thanks alot man, wow it makes alot of sense.
I need help solving for this final problem to complete my assigment. Please help! Solve for x: ln(x^4)-ln(x^2)=2
nevermind, it's suppose to be negative 93.9. thanks
thanks, but C is incorrect any idea why?
95LBS AND C
