When a glacier moves, rocks and sediments in the bottom of the glacier scrape against the ground. this creates grooves known as

a. lateral moraines.
b. glacial till.
c. truncated spurs.
d. glacial striations

Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?