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An airplane, diving at an angle of 53° with the vertical, releases a projectile at an altitude of 730 m. The projectile hits the ground 3.27 s after being released. What is the speed of the aircraft?
How far did the projectile travel horizontally during its flight?
What was the horizontal component of its velocity just before striking the ground?
What was the vertical component of its velocity just before striking the ground?
If the sphere is enclosed in a room whose walls are kept at -5°C, what is the net flow rate of energy out of the sphere
A ball (mass 100g) is recorded to have a speed of 2m/s after falling 5m under gravity. What is the work done by air resistance
q1. a 10000 kg railroad car is rolling at 2 ms when a 400 kg load of gravel is suddenly dumped in. what is the railroad
A tennis ball is shot vertically upward in an evacuated chamber with an initial speed of 20.0 m/s at time t=0. How high does the ball rise
A stone is thrown horizontally from the roof of a tall building with a speed of 23.3 m/s. how far from the building will the stone land
A rectangle coil of 55 turns, dimensions of 0.100m by 0.200m and a total resistance of 10.0 ohms rotates with angular speed 33.0 rad/s about the y axis in a region, Calculate the maximum induced emf in the coil
a freezer with a coefficient of performance of 3.88 is used to convert 1.75 kg of water to ice in one hour. how much electrical energy does the freezer use during this hour of operation
When light is incident on a surface the critical angle is 40.0 degrees. The two materials are air and glass. What is the polarization angle for this light
A storage tank 31 m high is filled with pure water. Calculate the magnitude of the net force that acts on a square access hatch at the bottom of the tank that measures 0.6 m by 0.6 m
q1. stationary bicycle is raised off the ground and its front wheel m 1.3 kg is rotating at an angular velocity of
question1a helicopter is ascending vertically with a speed of 5.03. at a height of 132 above the earth a package is
A rail car that weighs 34 N is accelerated at 8.3 m/s/s for 5.9 seconds. How much work is done on the rail car? The acceleration is constant
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