What is the pressure exerted by a boy

weighing 80kg on the ground when he stands

on his feet whose area is 200cm2?

A. 80 pa

B. 1600 pa

C. 40,000 pa

D. 400 pa

a 160kg space vehicle is traveling along a straight line at a constant speed of 800. meters per second. the magnitude of the net force on the space vehicle is

What colors are in a 24 pack of crayola crayons?

If a star is 50 light-years away from earth, how long will it take light to travel from star to earth?

Baptiste the boatman with mass m1=86.7 kg is standing at the back of his boat. The boat has a total mass m2=111.8 kg which is uniformly distributed along its length L=2.9 m. The boat is initially touching the dock.

A sound system is being set up in a gazebo in a park. It needs to produce music so that everyone can hear it.

How is thermal energy transferred during convection?

What is the purpose of a free body diagram? A. to show the velocity of an object B. to show the acceleration of an object C. to show the forces acting on an object D. to show the direction of motion vectors of an object

An initially uncharged air-filled capacitor is connected to a 5.83 V charging source. As a result, 3.41*10-5 C of charge is transferred from one of the capacitor's plates to the other.

Which objects are inclined planes? Check all that apply. a nail a staircase a seesaw a wheelchair ramp a slide

In a reaction with water, a base will accept a proton from the water; therefore, the water must be acting as an acid. True or False