As the arm lifts the mass, does elbow angle increase or decrease?

What does Constructive mean in terms of physics

A car traveling at 40 ft/sec decelerates at a constant 5 feet per second per second. how many feet does the car travel before coming to a complete stop?

Look at the symbol. Which component in a circuit does it represent? A. conductor B. AC power source C. DC power source D. switch

A group of hikers hear an echo 3.3 s after they shout. The temperature is 20◦C. How far away is the mountain that reflected the sound wave? At this altitude, the speed of sound in air at 273 K is 327 m/s. Answer in units of m.

Suppose you exert 150 n on your refrigerator and push it across the kitchen floor at constant velocity. what friction force acts between the refrigerator and the floor?

jason hits a baseball off a tee toward right field. the ball has a horizontal velocity of 10 m/s and lands 5 meters from the tee. what is the height of the tee? show your work, including formula (s) and units.

What is the average amount of energy of motion in the particles of a substance

A race car is traveling at 76 m/s when it slows down at 9 m/s^2 for 4 seconds. What is his new velocity

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W

Explain how we were able to boil water at room temperature