Why wil an ice cube melt if it is compressed even if it remains at the same temp

If PEs represents the potential energy stored in a spring in kg. m^2 / s2, and x represents the change in spring length from its equilbrium position in m, what is the unitfor the spring constant k in the formula PEs = 1/2 kx^2

An 80 - kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15m/s. Sort the following quantities as known or unknown. Take the horizontal direction to be along the x axis.

A spool is placed on table top. The static friction coefficient between the table top and the spool is high.

How does the force of gravity affects an objects acceleration

A small car traveling with 5,000 kgm/s hits a light truck that was at rest at a red light. After the collision the small car bounces backwards with a momentum of 3,000 kgm/s. What would the momentum of the truck be after the collision?

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A diffraction grating is illuminated simultaneously with red light of wavelength 670 nm and light of an unknown wavelength. The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light.

Four soccer players are running down the field at the same speed. Player 1 weighs 145 lbs and is running toward the north goal, player 2 weighs 175 lbs and is running toward the south goal, player 3 weighs 155 lbs and is running toward the south

Pure water has a hydrogen ion concentration of 1 x 10 (-7) M and a ph of 7. A student measures a basic solution and finds that it has a hydrogen ion (H+) concentration of 1 x 10 (-3).

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