Inertia describes which of the following?

1. how long an object is

2. how large an object is

3. how difficult it is to change an object's motion

4. how fast an object is moving

How is climate affected by energy from the sun and variations on Earth's surface?

A father lifts a toddler 1.5m up in the air. The child gains 187.5J of gravitational potential energy as a result. What is the mass of the toddler? (Assume that the gravitational field strength is 10N/kg.)

1. With manual transmission, use your right foot for the brake and accelerator and left foot for the clutch. true or false

Now that the first three steps have been explained, identify the next three steps, in order. Calculate the magnitude of R Sum vector components calculate A and B magnitudes Calculate the direction of R, calculate x, y components Step 4 Step 5 Step 6

Night vision glasses detect energy given off by objects as 1ultraviolet waves. 2radio waves. 3 microwaves. 4infrared waves.

The length of a rectangular sheet of metal decreases by 34.5 cm. Its width decreases proportionally. If the sheets original width was half the original length and the new area of the sheet is 1.

Consider a ball falling toward earth. why is the momentum of the ball not conserved? in what system that includes the falling ball is the momentum conserved? "

What is the maximum value that an eccentricity can be? What shape would this be?

Which of the following vectors is equal to r⃗ AB?

Students connect a spring scale to a block on a rough horizontal surface. The students use the spring scale to measure the magnitude of the horizontal force needed to pull the block at a constant speed.