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a projectile is launched from a 50 m high cliff, with an initial velocity of 65.0 m/s, at an angle 67.4 degrees above horizontal. Assuming that air resistance can be neglected, how far away from the cliff does it land?
question1a 0.145-kg baseball pitched horizontally at 39 ms strikes bat and is popped straight up to a height of 32 m.
A 2.94g aluminum bullet at 31.0°C is fired at a speed of 236 m/s into a large block of ice at 0°C, in which it embeds itself. What quantity of ice melts
A 78.3?kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 10.3m and a period of 4.75s. find the spring constant of the bungee cord
A sinusoidal transverse wave travels on a string. The string has length 7.95m and mass 6.45g. what must be the amplitude of the wave
A 0.33-m-long violin string has a mass of 0.89 g. The peg exerts a 45 N force on it. Determine the lowest frequency sound produced by the vibrating sting
Carbon dioxide gas is heated as it flows steadily through a 2.5-cm-diameter pipe. At the inlet, the pressure is 2 bar, determine the rate of heat transfer to the carbon dioxide, in kW
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. How fast are the waves traveling
A student drops a ball from the top of a tall building; the ball takes 3.1s to reach the ground. What is the height of the building
An unknown piece of material with a mass of 5.1 kg and density of 1422 kg/m3 is suspended from a string, Determine the volume of the piece of material
A baseball player hits a ball towards the outfield with an initial velocity of 76.0 m/s at an angle of 45 relative to the ground. The outfield is 118 m away and is 4.0 m tall.
How many half-lives are required for the number of radioactive nuclei to decrease to 1/10^5 of the initial number
If a current of 8.3 A is drawn from the battery when a resistor R is connected across the terminals ab of the battery, what is the power dissipated by the resistor R
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