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A 40.0 kg wagon is towed upa hill inclined at 17.5° with respectto the horizontal. The tow rope is parallel to the incline and hasa tension of 140 N. Assume that the wagon starts from rest at thebottom of the hill, and neglect friction. How fast is the wagon going after moving 76 m up the hill?
m/s
Discuss briefly centripetal acceleration, the speed and the force exerted by a ball attached to a string.
An unknown gas is introduced into the aforementioned apparatus using the same tuning fork, and the first resonance occurs when the air column is 6.14 cm long. Find the speed of sound in the gas. m/s
a two identical point charges of q 1.50 x 10-8 c are separated by a distance of 1.10 m. what is the minimum amount of
A 4.94-g bullet is shot through a 0.99-kg wood blocksuspended on a string 2.00 m long. The center of mass of the blockrises a distance of 0.50 cm. Find the speed of the bullet as ite merges from the block if its initial speed is 393 m/s.
The magnetic flux through a loop of wire is ?B = 5.7 T · m2. what is the smallest possible value for the area of the loop
What is the total translational kinetic energy in a test chamber filled with nitrogen (N2) at 2.03×105 Pa and 20.7°C? The dimensions of the chamber are 3.00 m × 6.00 m × 8.30 m
a particular material has a dielectric constant of 1.7 and a dielectric strength of 14.0 mvm. if this material is used
captain carmen fires a pistol at captain black but the lead ball misses and hits the oak mast. if the .05kg ball is
Two moles of an ideal gas at 200 K occupies a 40 m3 container. What is the pressure of the gas
the cm of an empty 1250 kg car is 2.30 m behind the front of the car. how far from the front of the car will the cm be
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.695 s to reach the opposite tower, 20.0 m away. If a 1.00-m length of the ..
a child is riding a merry go round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of .745 rad/s^2. what is the magnitude of the acceleration of the child
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