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A diver running 1.8 m/s dives out horizontally from the edge of a vertical cliff and 2.7 s later reaches the water below.
How high was the cliff (meters)?
How far from its base did the diver hit the water(meters)?
A rectangular fish tank measures 20 cm by 60 cm by 40 cm high. The tank is filled with water to a depth of 37 cm. What is the pressure at the bottom due to the water
You then kick the ball with the same initial velocity and at the same angle to the horizontal. This time, however, you kick it up a 15 degree slope. What is the horizontal range of the ball's travel
The current supplied by a battery in a portable device is typically 0.131 A. Find the number of electrons passing through the device
minivan moving at 38 m/s passes an unmarked state police car moving at 24 m/s. The electromagnetic waves produced by the radar gun in the police car have the frequency of 8.25 × 10^9 Hz.
A generator produces 29 kilovolts (24,000 volts divided by 1000 = 24 kilovolts) of AC and a transformer steps this voltage up to 368 kilovolts for transmission over power lines
Expalin by how much does the potential energy of a 18.0-kg child increase when the child climbs a normal staircase to the second floor?
An astronaut at rest on Earth has a heartbeat rate of 70 beats/min. What will this rate be when she is traveling in a spaceship at 0.90c as measured (a) by an observer also in the ship and (b) by an observer at rest on the Earth?
A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and dives with the free-fall acceleration. how long does it take the falcon to intercept the pigeon
A 5.15-g bullet is moving horizontally with a velocity of +359 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). What is the velocity of the second block after the bullet imbeds itself
In a classical model of the hydrogen atom, the electron orbits a stationary proton in a circular orbit
What is the lift (in newtons) because of Bernoulli's principle on a wing of area 78m^2 if the air passes over the top and bottom surfaces at speeds of 260m/s and 150 m/s, respectively.
The suspension system of your 1200 kg car has a natural oscillation frequency of 2.00 Hz without functioning shock absorbers. At what speed are you driving
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