Physics, 03.07.2019 09:00 lorenaandreahjimenez
Acceleration is best defined as the rate of change of of an object. a. position b. force c. speed d. velocity 2. which of the following describes acceleration? a. s/m b. m/s c. m/s2 d. m2 3. which of the following is the main difference between speed and velocity? a. speed has direction and velocity b. speed is measured over time c. velocity has both speed and direction d. speed is constant
Answers: 2
Physics, 22.06.2019 20:10
Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
Physics, 22.06.2019 22:30
The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s
Answers: 2
Acceleration is best defined as the rate of change of of an object. a. position b. force c. speed d...
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