A little boy pushes a wagon with his dog in it. The mass of the dog and wagon together is 41 kg. The wagon accelerates at 1.7 m/s2. What force is the boy pulling with?

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

What is the length x of the side of the triangle below? (hint: use the cosine function)

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy