1.5kJ of energy are used every second by a microwave oven, what is the power rating of the oven?(3)

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Find the volume of the ellipsoid x^2+y^2+5z^2=36.

What happens to the velocity of the car when the upward pull of the cable is greater than the downward pull of gravity as the car rises toward the top?

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?