Physics, 28.06.2019 09:50 asilverman
The speed of a tennis ball that is served is 73.14 m/s. during a serve, the ball typically starts from rest and is in contact with the tennis racquet for 30 milliseconds. assuming constant acceleration, what is the average force exerted on the tennis ball during the serve, expressed in terms of the ball’s weight w? 450w 150w 250w 350w
Answers: 3
Physics, 22.06.2019 03:00
Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.
Answers: 2
Physics, 22.06.2019 03:30
Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?
Answers: 2
Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
Physics, 23.06.2019 05:00
Two cans on a sunny window one black and the other white construct and explanation of the effect of sun will have on both cans over a two hour period?
Answers: 1
The speed of a tennis ball that is served is 73.14 m/s. during a serve, the ball typically starts fr...
Mathematics, 10.11.2019 08:31
History, 10.11.2019 08:31
History, 10.11.2019 08:31
Mathematics, 10.11.2019 08:31
Mathematics, 10.11.2019 08:31
English, 10.11.2019 08:31
History, 10.11.2019 08:31
English, 10.11.2019 08:31
Mathematics, 10.11.2019 08:31
History, 10.11.2019 08:31
Chemistry, 10.11.2019 08:31
Chemistry, 10.11.2019 08:31