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A battleship simultaneously fires two shells toward two identical enemy ships. One shell hits ship A, which is close by, and the other hits ship B, which is farther away. The two shells are fired at the same speed. Assume that air resistance is negligible and that the magnitude of the acceleration due to gravity is .
Now, consider both shells are fired at an angle greater than 45 degrees with respect to the horizontal. Remember that enemy ship A is closer than enemy ship B
A) Which shell is launched with a greater horizontal velocity?
B) Both shells are launched with the same horizontal velocity.
A 125 kg satellite experiences a gravitational force by the Earth of 790 N, What is altitude of satellite and What is the radius of the satellite's orbit
block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.2 m and then collides with stationary block 2, What is the value of distance d if the collision is elastic
A house has a floor area of 113m2 and an outside wall that has an area of 33 m2. Calculate the magnetic flux that passes through the floor
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit
A 41 kg ice skater is moving at 4.73 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. Find the force exerted by the rope on her arms
11.0 of aluminum at and 22.0 of copper are dropped into 49.0 of ethyl alcohol at . The temperature quickly comes to 25.0. What was the initial temperature of the copper
the average person passes out at an acceleration of 7g that is seven times the gravitational acceleration on earth.
you are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
two identical objects are placed in a room at 24deg c. object 1 has a temperature of 95deg c and object 2 has a
Your spaceship lands on a planet that has a gravitational force whose magnitude is 1/5th of Earth's gravitational force. If you weigh 800 N on Earth
a tube open at only one end is cut into two shorter nonequal lengths. the piece that is open at both ends has a
Two cars, A and B, are traveling in the same direction, although car A is 158 m behind car B. The speed of A is 26.8 m/s, and the speed of B is 18.6m/s. How much time does it take for A to catch B?
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