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A rear wheel on a Formula 1 racing car has a mass of 3.2 kg and a radius of 0.42m. A mechanic is rolling the wheel towards a step at the back of the workshop. Decide:
1. The minimum horizontal force (F) needed to be applied through the axle (center) of the wheel to just start rolling over the step if it is 6cm tall.
2. The minimum horizontal force required to be applied at the top of the wheel to just start it rolling over the same step.
Calculate the intensity distribution
A 3mm diameter circular hole in an opaque screen is illuminated normally by plane waves of wavelength 550 nanometer. Find the locations of the first three maxima and minima
A spring with k = 30.0 N/m is at the base of a frictionless 30.0° inclined plane. how far up the incline does it travel before coming to rest
A basketball player makes a jump shot. The 0.520-kg ball is released at a height of 1.90 m above the floor with a speed of 7.13 m/s, What is the work done on the ball by air resistance, a nonconservative force
A string 0.5 m long with mass density 0.0003 kg/m and is vibrating 200 cycles per second. What hanging mass would produce this tension
Your task in physics lab is to make a microscope from two lenses.One lens has a focal length of 12 {\rm cm} ,the other a focal length of 2.5 {\rm cm} .You plan to use the more powerful lens as the objective, and youwant its image to be 16 {\rm cm}..
an 32-turn coil has square loops measuring 0.325 m along a side and a resistance of 5.35 omega. it is placed in a
A cart loaded with bricks has a total mass of 18 kilogram and is pulled at constant speed by a rope. Find how much work is done on the cart by the rope
An olive is at the bottom of a glass of alcohol (n = 1.36), 5.10 cm beneath the surface. what is the apparent depth d' of the olive
A cart loaded with bricks has atotal mass of 23.8 kg and is pulled at constant speed by a rope. The rope isinclined at 21.6 ? abovethe horizontal and the cart moves 15.1 m on a horizontal floor.
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 50.0cm. What is the magnitude of the gravitational acceleration on this planet
The magnitude of the dipole moment associated with an atom ofiron in an iron bar is 2.1 10-23J/T. What is the dipole moment of the bar
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