Ecosystems change when

20 kg object travels 28 meter and stops. coefficient friction = 0.085 how much work was done by friction?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How long will the ball be in the air before it lands? Round your answer to the nearest tenth.

Earth is the third planet from the Sun. This placement most affects Earth's unique and conditions.

How are fan blades an inclined plan

Which of these is an organ? A) blood cells B) the stomach C) connective tissue D) the respiratory system

Which of the following is not part of testing a hypothesis? A. Making a theory B. Making a model C. Gathering evidence D. Collecting data

What are two types of charges that particles possess

A machine does 1,500 joules of work in 30 seconds. What is the power of this machine?

A boy standing on the deck of a bridge sees a motorboat approaching in the water below at a constant rate of speed. When the boat is 27 meters from the bridge, the big drops a stone to the water below. If the stone strikes the water 3.

Which object has a varying speed? A. a bird flying 10 m/s for 10 seconds B. a car slowing from 60 m/s for 10 seconds C. a fish moving at 2 m/s for 5 minutes D. a car traveling the speed limit