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A 2.00 kilogram cart is moving at a rate of 4.0 meters per second when a continual force of 16.0 newtons begins to act on the cart in the direction of motion. What is the speed of the cart after 7.0 seconds?
An electron is moving in the +y direction at 4.7 x 105 m/s when it encounters a magnetic field of 2.5 T coming out of the page. What is the magnetic Force (FB) acting on the electron
Determine the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem.
A proton accelerates from rest in a uniform electric field of 590 N/C. Find the acceleration of the proton
A race car rounds a curve at 59 m/s. The radius of the curve is 439 m, and the car's mass is 615 kg. (Assume the car's speed remains constant. What is the centripetal force acting on the car
A child of mass m = 20 kg goes down a slide at a playground. She starts at a height h = 2.2 m with zero velocity. Assuming zero friction, how fast will she be going at the bottom
The sound from a truck moving at 17 m/s reflects from a cliff and is heard by an observer on the truck. What is the change in frequency for a wave with initial wavelength= 0.15m
A student sits on a swivel seat. Initially the student is at rest, holding a spinning bicycle wheel that has an angular velocity of 13.9 rad/s. Find the student's final angular velocity
Two converging lenses are separated by 23.60 cm. The focal length of each lens is 11.00 cm, Determine the final image distance relative to the lens on the right
An ideal heat engine absorbs 81.2 kJ of heat and exhausts 66.1 kJ of heat in each cycle, How much work is done in a cycle
What is coefficient of friction between chair and floor
If the bunting support rope is at 30o to the vertical and its tension force is 400 Newton, Find what is the horizontal pull from the bunting
Three equal 1.49 µC pointcharges are placed at the corners of an equilateral triangle whosesides are 0.500 m. What is the potential energy of the system? (Take zero as the potential energy of the three charges when they are infinitely far apart.)
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