Physics, 14.04.2021 21:00 sarinaneedshelp01
For a top player, a tennis ball may leave the racket on the serve with a speed of 160 m/s. If the ball has a mass of 0.080 g and is in contact with the racket for about 5 ms (0.005 s), estimate the average force on the ball.
Answers: 1
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
Physics, 22.06.2019 15:00
Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.
Answers: 1
For a top player, a tennis ball may leave the racket on the serve with a speed of 160 m/s. If the ba...
Mathematics, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00
English, 14.09.2021 15:00
Geography, 14.09.2021 15:00
Social Studies, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00
Geography, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00
Chemistry, 14.09.2021 15:00
English, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00
Mathematics, 14.09.2021 15:00