Physics, 28.02.2021 07:20 gracethegreat1
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Law of Inertia
Law of Acceleration
Law of reaction
Card 1
A hockey puck comes to a stop when it hits the hockey players stick
Card 2
Shot put exerts a force on the ground and an equal force to the shot .
Card 3
A golf ball is hit by a golf club
Card 4
Basketball player must use the appropriate amount of force to shoot
Card 5
Gravity pulls down on golf ball and tee is pushing up.
Card 6
A diver rotates faster when tuck is tightened
Card 7
An athlete can jump higher off a solid surface than an unstable one
Card 8
The larger force by a shot put thrower, the greater the acceleration
Card 9
A shot put will continue at a constant speed until it hits the ground.
Answers: 2
Physics, 21.06.2019 16:10
Zirconium has an hcp crystal structure and a density of 6.51 g/cm3. (a) what is the volume of its unit cell in m3? (b) if the c/a ratio is 1.593, compute the values of c and a.
Answers: 3
Physics, 22.06.2019 00:50
While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.
Answers: 3
Physics, 22.06.2019 14:40
14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is
Answers: 1
Physics, 22.06.2019 15:10
An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?
Answers: 2
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