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Solve the following question given below:
Question: A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius 11.0 m. A passenger feels the seat of the car pushing upward on her with a force equal to three times her weight at the bottom of the dip.
Question 1: What is her speed as she goes through the dip?
I need help to solve the above question and thanks in advance.
You are mowing your grass with an electric lawn mower. As you move to taller grass the lawn mower blade slows down. What happens to the current and voltage going to the lawn mower when you move from shorter grass to taller grass?
Two positive charges, each of magnitude 4 x 10^-6C are located a distance of 8 cm from each other. What are the directions of the forces acting on each
A baseball bat is 1 meter long and is made of wood with density 525 kg/m^3. If the bat is held such that the point of rotation is 5.0 cm from the thin end, what is the rotational inertia of the bat
slides 145m before coming to a halt. Illustrate what is the coefficient of friction between the skies and the snow?
two cars start off at rest 85 m apart. They start driving directly towards each other. How far from car 1 do the cars collide
What is the maximum load that could be suspended from a copper wire of length 1.0 m and radius 1.0 mm without breaking the wire? Copperhas an elastic limit of 2.0 x 10^8 Pa and a tensile strength of 4.0 x 10^8 Pa.
Two masses are suspended with cord that passes over a pulley with negligible mass. The cord also has negligible mass. One of the masses, m1, has a mass of 6.0 kg and the other mass, m2, has a mass of 4.0 kg. The force of the cord attached to m1 is:
a child makes a ramp to push his toy dump truck up to his sand box.If he uses 5 newtons of force to push his 12 newton truck up the ramp
how long does it take electrons to get from a car battery to the starting motor? assume the current is 200 a and the
Suppose you are climbing up stairs, gaining 10 meters of height per minute. In order to do that, your body has to do some work, using energy, at a given rate. What is the power produced by your body? Ignore energy losses.
a batter hits a baseball 2.25 ft above the ground towards 3rd base. if the ball takes 0.65 s to get to the 3rd baseman
How far below the surface is the insect actually located, How far below the surface is the insect actually located
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