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A projectile is fired at v0 = 394.0 m/s at an angle of θ = 64.2o with respect to the horizontal. Assume that air friction will shorten the range by 29.1%. How far will the projectile travel in the horizontal direction, R?
What is the velocity of the rocket when it runs out of fuel.
At rest when constructed, the ring is set rotating about its axis so that the people inside experience effective free-fall acceleration equal to g. The rotation is achieved by firing two small rockets attached tangentially to opposite points on the r..
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
The magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F.
Find the x-component of vector a = (9.0 m/s^2, - y direction), Find the y-component of vector a = (9.0m/s^2, -y direction)
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
while you take a bath, how many kilograms of hot water (50°C) have to you mix with cold water (11 °C) so that the temperature of the bath is 36 °C? The total mass of water (hot plus cold) is 194 kg. Ignore any heat flow between the water and its e..
The student throws a ball into the air along a path that he judges to make an initial angle of 59° with the horizontal and to be in line with the track. The student's professor, who is standing on the ground nearby, observes ball to rise verticall..
In order to fabricate a uniform wire of resistance 1.2 ?, out of m=1 g copper which has a density of 8.92×103 kg/m3, What should be the diameter of the wire
A box slides down a 25° ramp with an acceleration of 1.070m/s2. Resolve the coefficient of kinetic friction between box and ramp.
Use the ideal gas approach to find the thermal velocity, and determine the scaling law based on the resulting equation
minivan moving at 38 m/s passes an unmarked state police car moving at 24 m/s. The electromagnetic waves produced by the radar gun in the police car have the frequency of 8.25 × 10^9 Hz.
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