Aclosed conducting loop through which an electrical current can flow is which of the following?
a. resistance
b. circuit
c. voltage
d. electrical pressure

If steel is more dense that lake water, why can a boat float

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?