A racing car has a mass of 1720 kg. the acceleration of gravity is 9.8 m/s 2. what is its kinetic energy if it has a speed of 129 km/h?

State two uses of total internal reflection

Often called velocity this is the velocity of an object at a particular moment in time

Your gross margin is 60%, your operating expenses are: staffing 35%, rent 10%, miscellaneous 5%. Are you making a profit?

A stationary positive charge, q, is located in a magnetic field, b, which is directed toward the right. what is the direction of the magnetic force on q?

Sam add's 7g of salt to 50mL of water while Lola adds 15g of salt to 150mL of water. Whose drink is more concentrated with salt?

Which describes how radiation moves? radiation moves from a cooler object to a warmer object radiation moves from a warmer object to a cooler object radiation moves from a warm object to an object of the same temperature radiation moves from a cool

Why does the closed top of a convertible bulge when the car is riding along a highway? Why does the closed top of a convertible bulge when the car is riding along a highway? The air pressure is greater outside the car than inside.

Is a white shirt cooler or warmer in the sunlight?

A stone is thrown vertically upward with a speed of 18.0. (a) How fast is it moving when it reaches a height of 11.0? (b) How long is required to reach this height? For part A) I did: y=11m, g=9.

What object or class of objects makes up most of the solar systemâs mass?