A window washer stands on a scaffolding 30m above the ground. If he did 23,520J of work to reach the scaffolding, what is his mass?

Rheumatoid arthritis is a disorder in which the joints swell and cause pain. Rheumatoid arthritis causes the body's own immune cells to attack the membrane of the joints.

Which of Newton's Three Laws Applies? Law 1, 2, or 3? Pushing a cart down the hall, when you try to turn it it tries to go straight. More acceleration takes more force. When you push your knuckles into a table, it hurts your knuckles.

When you trace the outline of your palm how do you find its area

How does temperature influence the appearance of a star? Give an example in your response.

How are Piaget and Erikson's theories different? A) Both study different aspects of human development. B) Each has a different number of stages in his theories. C) Each has different ideas on how people progress through stages. D) all of the above

What's the definition of: • cellular respiration • photosynthesis

What are the steps that are important to take for your safety during an earthquake? a. stay away from walls and windows c. stay away from electrical and gas lines b. get under a desk or table d. all of the above

You have an open air column of length 1.40 m in air at 24.2 °C. What is the frequency of the third harmonic?

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you