A roller coaster is at the top of a hill and rolls to the top of a lower hill. if total energy is conserved, on the top of which hill is the kinetic energy of the roller coaster larger?

a student has revived a D on her english paper and is discussing with her teacher strategies that she might use to achieve higher grades in the future the conversation between the student and her teacher is an example of

What distance will a car traveling 65 km/hr travel in 180 min?

A 60 tooth gear is connected to a 24 tooth gear. If the smaller gear turns 10 times, how many times does the larger gear turn

Two plates are being forced together. What type of boundary is this?

Which surface most likely has the least friction? a carpeted floor a paved road a rocky path a water slide

A small refracting telescope designed for individual use has an objective lens with a diameter of 6.00 cm and a focal length of 1.325 m. what is the f-number of this instrument?

You drop a ball from a height of 2.0 m, and it bounces back to a height of 1.5 m. (a) what fraction of its initial energy is lost during the bounce? (b) what is the ball's speed just as it leaves the ground after the bounce?

Why do scientists prefer the moment magnitude scale to the richter scale?

A particle with a charge of - 5.10 nC is moving in a uniform magnetic field of B⃗ = - (1.20 T) k^. The magnetic force on the particle is measured to be F⃗ = - (3.30*10-7 N) i^ + (7.60*10-7 N) j^.

What is the pressure 100m below the surface of the sea, if the density of sea water is 1150kg/m3