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Due to friction with the Earth's atmosphere, a large static electric charge could build up on a plummeting asteroid fragment. Would you expect the fragment to generate an electric fiend in this situation? Explain why or why not?
how to calculate the average velocity between to minutes. Estimate how for you can throw a ball if you throw it in the following situations.
A child throws a ball to his sister who is 20.00 meter away, the ball reaches its maximum height 1.50s, Calculate with what velocity was the ball thrown
A turntable is switched from 4.71 rad/s (45rpm) to 3.49 rad/s(331/3) and the platter rotates through an angle of 11.5 rad inreaching the new angular speed, What is angular accelerationof the platter
A supertanker with the mass of 4.67 × 10^8 kg is moving with a constant velocity. Its engines generate a forward thrust of 8.71 × 10^6 N.
A ray of light is incident at angle 60 degrees on the upper surface of a transparent plate of thickness h=1cm, What is that lateral displacement d of the outgoing ray with respect to the incident ray
A man walks south at a speed of 2.00 m/s for 15.0 minutes. He then turns around and walks north a distance 2000 m in 15.0 minutes. What is the average speed of the man during his entire motion?
A child goes down a playground slide with an acceleration of 1.34 m/s2. Compute the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 34.0° below the horizontal.
an object of mass 39 kg is observed to accelerate with an acceleration of 2.0 m/s^2. If friction is so mall that it can be ignored, what is the force applied to the object in newtons
An ideal heat engine takes in 460J of heat at a temperature of 600K and outputs 285J of heat. How much work is done by the engine
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, find the shortest distance in which the car can stop safely
A 2.22 kg steel ball strikes a massive wall at 10.4m/s at an angle of alpha = 58.4° with theplane of the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.204 s, what isthe magnitude of the average forc..
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