An object of mass 100 kg is initially at rest on a horizontal frictionless surface. At time t = 0, a horizontal force of 10 N is applied to the object for 1 s and then removed. Which of the following is true of the object at time t = 2 s if it is still on the surface?

A ball is thrown straight up from a point 2 m above the ground. The ball reaches a maximum height of 3 m above its starting point and then falls 5 m to the ground. When the ball strikes the ground, what is its displacement from its starting point?

A toy spacecraft is launched directly upward. At its highest point it splits into two parts of masses 0.02 kg and 0.08 kg. Immediately after separation, the 0.02 kg part moves horizontally due east. Air resistance is negligible. True statements about the 0.08 kg part include which of the following?I. It could move north immediately after the spring is released.II. It takes longer to reach the ground than does the 0.02 kg part.III. It strikes the ground farther from the launch point than does the 0.02 kg part.

A rocket lands on Planet X, which has half the radius of Earth. An astronaut weighs twice as much on Planet X as on Earth. If escape velocity from Earth is , escape velocity from Planet X is

Satellite X orbits Earth in a circular orbit of radius R. Satellite Y is also in circular orbit and completes 1 orbit for every 8 orbits of X. What is the orbital radius of Y?

A stone falls from rest from the top of a building. Which graph best represents the stone’s angular momentum L about a point P as a function of time?

Which of the following statements about the Canvas API is not true?

What does the following code do?const canvas = document.querySelector(“#picture”);const ctx = canvas.getContext(“2d”);

Which of the following would write “My house” in a 36-point sans-serif font on a element? Assume ctx is the context object for the element.

In the context of the Canvas API, what is a path?