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

You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f