What is the cause of the plate tectonic activity? O Solar flares and gravity
O Ocean currents
O All of these
O Convection of liquid metal in the core
Check
Question: 4 of 5 questions
SE
0
Sign out
INTL +
8

An object has a weight of 500 on earth what is the mass of this object

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?