The car in the picture below has a mass of 1500Kg & travels with a tangential velocity of
32m/s. The radius of the curve is 135m. Calculate the centripetal acceleration of the
car.

Determine the maximum r-value of the polar equation r =3+3 cos 0

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?