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To ward off oceanic invaders, a cannon is placed 10 meters from the water's edge, pointing out at sea. The cannon is capable of firing a projectile at a maximum velocity of 100m/s.
a) what is the maximum firing range of the cannon?
b)If the cannon was placed on a cliff that was 250m high, how much farther would the cannonball be able to travel?
Calculate the relativistic kinetic energy of a 920 kg car moving at 33 m/s if the speed of light were only 45 m/s
A meteorologist in a TV station is using radar to determine the distance to a cloud. How far away is the cloud
a mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.24 cm.a if the spring
After a 0.800 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.32E+6 m/s. Through what angle was the photon scattered
An electron is accelerated from rest through a potential difference that has a magnitude of 2.20 × 107 V. The mass of the electron is 9.11 × 10-31 kg, What is the relativistic kinetic energy (in joules) of the electron
A horizontal power line carries a current of 4880 A from south to north. Earth's magnetic field (75.1 µT) is directed toward the north and is inclined downward at 52.0° to the horizontal. Discover the magnitude of the magnetic force on 110 m of the l..
A girl and her bicycle have a total mass of 40 kg. At the top of the hill her speed is 5.0 m/s. what is her speed at the bottom
The air inside a bicycle tire pump has 243 joules of work done on it as 66.5 joules of heat is conducted away from it
A family ice show is held in an enclosed arena. The skaters’ perform to music playing at a level of 88.5 dB. This intensity level is too loud for your baby, who yells at 65.5 dB. What total sound intensity engulfs you?
An object with a mass of 2 kg is moving along a horizontal surface with velocity components vx=4 m/s and vy= ?3.5 m/s. What is the objects speed
Evaluate the magnitude of N at the lowest point? If the wheel's speed is doubled, what is the magnitude FN at the highest and lowest point?
A boat takes 4h to travel down a 30km river, then 6.0h to return. How fast is the river flowing
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