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Suppose you throw a 0.058-kg ball with a speed of 10.9 m/s and at an angle of 30.9° above the horizontal from a building 10.8 m high.
(a) What will be its kinetic energy when it hits the ground?
(b) What will be its speed when it hits the ground?
A weight of 45.0 N is suspended from a spring that has a force constant of 180 N/m. Determine the maximum value of the driving force
A drag racer crosses the finish line doing 216 mi/h and promptly deploys her drag chute, What force must the drag chute exert on the 850 kg car to slow it to 45.2 mi/h in a distance of 161 m
Two spherical objects with a mass of 5.89 kg each are placed at a distance of 2.16 m apart. How many electrons need to leave each object
A projectile of mass 7 kg is fired with an initial speed of 193 m/s at an angle of 16? with the horizontal. At the top of its trajectory, projectile explodes into two fragments of masses 4 kg and 3 kg.
Consider a spiral galaxy that is moving directly away from Earth with a speed V = 3.600 106 m/s at its center, What frequency is detected by the astronomers observing the upper and lower arms
A car of mass 1,800 kg is initially traveling at a speed of 15 m/s. Calculate the change in the kinetic energy of the car
find an article on a current event related to macroeconomics. briefly summarize the article and state how a concept in
a golf ball is shot from a tee, elevated above 20.0m above the green,with the initial angle of 50.0 degrees above the horizontal. how much time will it take for the ball to travel from the tee
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, plates are disconnected from the battery. define the behavior of the ball.
A truck traveling at 60 mi/h brakes to a stop in 180 ft. What was the stopping time
The temperature inside a house is 25 degree C while the temperature outside is 10 degree C. Approximately how much energy is radiated per second
a sphere with a 2.25 meter radius and a mass of 3.5 kilogram rolls down the inclined plane shown. at the bottom of the
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