The kinetic energy of an object is equal to one half Its mass multiplied by its speed
A squared
B cubed
C to the fourth power
D to the fifth power

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers