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A 70 ball of clay traveling at speed hits and sticks to a 1.2 kg block sitting at rest on a frictionless surface. What is the speed of the block after the collision?
To protect their young in the nest, peregrine falcons will fly into birds of prey (such as ravens) at high speed. What was the raven's speed right after the collision
A compact car has a mass of 1170kg. What will be the car's oscillation frequency while carrying four 84.0kg passengers
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.800m/s, What is the amplitude of the wave
The flux in a transformer changes at a rate of 0.4 Wb/s. The primary coil has 40 turns and the secondary coil has 500 turns
The isotope 12N undergoes radioactive decay to form 12C. What charged particle is emitted in the decay process
q1. for safety in climbing a mountaineer uses a nylon rope that is 69 m long and 1.0 cm in diameter. whilst supporting
The potential difference across a resting neuron in the human body is about 70 mV, How much power does the neuron release
Charge q is fired through a small hole in the positive plate of a capacitor. If q is a positive charge, does it speed up or slow down inside the capacitor? reply this question using the concept of force.
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25 V and the other is at 33 V. The surfaces are 1.25 cm apart. What is the direction of the electric field m..
A particle moves along the x axis. Its position is given by the equation 2.00 + 3.00t - 4.00t^2 with x in meters and t in seconds. Find out (1) its position at the instant it changes direction and (2) its velocity when it returns to the position i..
At a grocery store, a spring scale (spring constant 450 N/m) hangs near the produce section. What is the velocity of the pan immediately after the oranges land on the pan
An automobile emits 20 lbs of CO2 per gallon of gasoline burned. If the U.S. burns 200 million of gallons of gasoline every year, how many billions of lbs of CO2 are emitted every year?
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