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Problem: A car starts from rest and travels 20 m within 4 seconds, in a straight line, at constant acceleration.
Question: What is the acceleration of this car?
Please show your work and steps to find the acceleration of this car.
A 1,200 kg car going 25 m/s is brought to stop using its brakes. Let's assume that a total of approximately 20 kg of iron in the brakes, What was the car's original kinetic energy
Your summer co-op is working as a safety inspector for NOAA. You are inspecting a submarine they will be using and they want to know the maximum safe depth it can operate at. What is the maximum depth the sub can go to without worrying about the wi..
A fun-loving 10.6 kg otter slides up a hill and then back down to the same place, how much mechanical energy did she lose on the hill
A balloon is rubbed with a wool glove. The two items attract one another with a force of strength 1.5 N when they are 1 cm apart. How many electrons were transferred
The drawing shows six point charges arranged in a rectangle. Thevalue of q is 1.63 μC, and the distance d is3.04 m. Find the total electric potential at location P,which is at the center of the rectangle.
In figure (a), a 4.2 kg dog stands on a 15 kg flatboat at distance D = 6.1 m from the shore. It walks 2.1 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore.
A 1300 kg car takes a 52 m radius unbanked curve at 15 m/s. What is the size of the friction force on the car
A carpenter is driving a nail into a board. The 1.25 kg hammer moves at 8.85 m/s when it strikes the nail. What is the change in length of the nail
Vector A has a magnitude of 6m and vector b has a magnitude of 4m. What is the possible magnitude for the resultant of such vectors
A certain light source is found to emit radiation whose peak valuehas a frequency of 3.00 x1013 Hz. Find the temperature of the source assuming that it is a blackbody radiator
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
An RLC circuit is set up with a 350 mH inductor, a 6.8 mF capacitor and a 550 W resistor. What is the phase angle of the circuit
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