In a physics lab a 90 kg student runs up a 1.5 meter tall flight of stairs in 3.0 seconds. The students power rating is approximately ___W

While two forces act on it, a particle of mass m=3.2kg is it to move continuously with velocity (3m/s) i - (4m/s) j. one of the forces is F1 = (2N) i + (-6N) j. what is the other force?

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.0 m/s in 3.30 s.

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

Hakeem was dismayed to discover that he offended coworkers by standing 2 feet away from them during business conversations. In the U. S., what distance would have been more appropriate? PS 2100

How does a green leaf appear in the red light? Use what you know about reflection and absorption of light. A. black B. Green C. Greenish-red D. Red E. White

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Shivering to warm up illustrates which characteristic of life? A. adaptation to environment B. homeostasis C. getting energy D. growth

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?

What type of resource can be regenerated or replenished by biochemicl cycles

How much work is done lifting a 12-m chain that is initially coiled on the ground and has a density 2 kg/m so that its top end is 11 m above the ground? (Assume that acceleration due to gravity is g = 9.8 m/s2.)