Carmen simplifies the expression (4y+8x+6) + 25 + (4x+6y+7). The coefficient of the variable y in her simplified answer is

What must be included when describing the displacement of an object? Answer measurement and direction

Given that the distance to the Moon is 384000 km, and taking the Moon's orbit around Earth to be circular, estimate the speed (in kilometers per second) at which the Moon orbits Earth.

The total momentum of two marbles before a collision is. 06 kg·m/s. No outside forces act on the marbles. What is the total momentum of the marbles after the collision?

Two cars collide in an intersection. the hoods of both cars collapse and the two cars rebound off each other. what type of collision was this

Would an increase in pressure favor the formation of ozone or of oxygen?

An object will only change its motion if a force is directly applied to it. is this a true statement?

Janice has just measured the density of an object. Which value is possible? (Density: D = )

Based on how the book describes a heat pump in sec 16.3 how does a heat pump prove law of conservation of energy

When a gas in a container is squeezed to half its volume, its density?

A ballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s. As she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s.