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A block of wood with volume V floats in water with 0.68V submerged. In oil the block floats with 0.85V of its volume submerged.
(a) Find the density of the wood.
(b) Find the density of the oil.
Tilted Land is flat, much like Western Utah, but in Tilted Land gravity does not point straight down! Where does the ball hit the ground
A neutron star is the remnant left after certain supernovae (explosions of giant stars). What is a typical neutron star density
A physics demo launches a ball horizontally while dropping a second ball vertically at exactly the same time. [Delayed Feedback] 1) Which ball hits the ground first?
An insulated Thermos contains 131 cm3 of hot coffee at 82 °C. You put a 12g ice cube at its melting point to cool the coffee. By how many degrees has the coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though ..
A tile is dropped at a height of 12 Meters. The tile has a mass of 2.5kg. Calculate the final speed of the tile
An object of mass m is attached to a horizontal spring, stretched to a displacement A from equilibrium and released, undergoing harmonic oscillations on a frictionless surface with period T0. The experiment is then repeated with a mass of 4m. The sub..
A firefighter with a weight of 702 N slides down a vertical pole with an acceleration of 2.90 m/s2, directed downward. What are the magnitudes and directions (choose the positive direction up) of the vertical forces
A child whose weight is 262 N slides down a 4.80 m playground slide that makes an angle of 49° with the horizontal. The coefficient of kinetic friction between slide and child is 0.09.
A racing car of mass 950 kg accelerates from rest with an acceleration of 3.9 m/s^2 for 7.5 s. What is the net work done by the car
(a) How tall is the lamp's image if the lamp is a distance of 39.6 cm from the mirror (include sign if negative)? (b) How tall is the lamp's image if the lamp is a distance of 85.8 cm from mirror (include sign if negative)?(c) How tall is the lamp..
A copper kettle contains water at 24.0 °C. When the water is heated to 99.0 °C, Determine the volume of the kettle
Two similar guitar strings have the same length and mass, but slightly different tensions, If the beat frequency is 1.5 Hz, what is the ratio of the tensions of the two strings
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