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A cannon barrel makes an angle of 34.0o with the horizontal ground. The cannonball is fired by a speed of 300 m/s.
1. What is the range of the cannonball?
2. What is the maximum height above the ground that the cannonball reaches?
The gun on a battleship is at the surface of the water, and fires a 500 kg projectile with a muzzle velocity of 400 m/sec, What is the maximum range
A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 66 rad/s. The wheel is run at that angular velocity for 37 s and then power is shu..
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A 8.00 nF capacitor is connected to a battery and is charged to a maximum charge of 7.40 ?C through a 1.60 k? resistor. What is the voltage of the battery
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Electrons emitted by the photoelectric effect are accelerated and then strike a phosphorescent screen, causing it to glow more brightly than the original scene.
A 120 V potential difference is applied to a space heater whoseresistance is 12 Ω when hot. (a) At what rateis electrical energy transferred to thermal energy?(b) What is the cost in cents for 6.0 h at US5.0¢/kW·h?
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a fox locates its prey under the snow by slight sounds rodents make. the fox then leaps straight into the air and then
Netrons are slowed down to thermal energies in a 1:1 mixture of H2O and Uranium(4 atom % U-235,96 atom % U-238). Estimate the probability that a 0.0253 eV neutron will have scattering collision with H2O.
bartender slides a beer mug at 1.2 m/s towards a customer at the end of a frictionless bar that is 1.3 m tall. What are the speed and direction of the mug at impact
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