Physics, 21.07.2020 17:01 xxxamslashxxx9
a football is kicked toward a goal keeper with an initial speed of 20m/s at an angle of 45 degrees with the horizontal .at the moment the ball is kicked the goal keeper is 50m from the player .at what speed and in what direction must the goalkeeper run in order to catch the ball at the same height at which it was kicked
Answers: 3
Physics, 21.06.2019 15:10
On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?
Answers: 1
Physics, 21.06.2019 22:40
The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively
Answers: 2
Physics, 22.06.2019 16:30
If anyone who can me with this hw? i would really appreciate it
Answers: 2
Physics, 22.06.2019 18:40
Smallest intensity of a stimulus that you can detect 50 percent of the time is
Answers: 1
a football is kicked toward a goal keeper with an initial speed of 20m/s at an angle of 45 degrees w...
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