PLEASE HELP! A plane flying above the ground has 60,000 joules of
kinetic energy and 6,000 joules of gravitational potential
energy. How much mechanical energy does the plane have?
A. 10
B. 54,000 )
c. 66,000 ]
D. 360,000,000 J

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?