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As a baseball is being thrown, it goes from 0.0 to 40.0 m/s in 0.25 s.
(a) What is the acceleration of the baseball?
(b) What is the acceleration in g's?
A car travelling at 37 {rm m/s} runs out of gas while travelling up a 7.0{rm ^ {circ}} slope. How far would it coast before starting to roll back down.
A rope exerts a constant horizontal force of 250N to pull a 60 Kg crate across the floor.
After inverting the tube 100 times, the temperature of the lead shot is found to have increased by 30C. Calculate the work done on the lead shot
The roof makes an angle of 23 degrees with the horizontal. If the edge of the roof is 10 meters high, clarify how far from the base of the house the basketball hits.
A dockworker loading crates on a ship finds that a 18-kg crate, initially at rest on a horizontal surface, Find the coefficients of static and kinetic friction between crate and floor
What is the coefficient of kinetic friction
Radioactive decay of granite and other rocks in the Earth's interior provides sufficient energy to keep the interior molten, heat lava, and supply warmth to natural hot springs.
A ball (mass 100g) is recorded to have a speed of 2m/s after falling 5m under gravity. What is the work done by air resistance
A beam of white light is passed through a prism at an angle of 30o and separated into a spectrum. What is the index of refraction for each color
A telescope has an objective with a refractive power of 1.00 diopters and an eyepiece with a refractive power of 300 diopters
A helium-neon laser (wavelength=666 nm) illuminates a single slit and is observed on a screen 1.5 m behind the slit. What is the width (in mm) of the slit
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 205 N/m. Find the spring constant of spring 2.
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