Physics, 02.09.2019 11:00, mashedpotatoes28
How much work is done when a very large force is applied to an object but does not move the object?
a. none
b. a lot
c. a little
d. the exact amount of work and the weight of the object must be known to figure this out.
Answers: 1
Physics, 22.06.2019 00:50, Amandarobersonn
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 15:40, dreamdancekay
How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
Answers: 1
Physics, 23.06.2019 02:30, roseemariehunter12
Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?
Answers: 3
How much work is done when a very large force is applied to an object but does not move the object?...
History, 02.07.2020 04:01
Chemistry, 02.07.2020 04:01