Day Iwo bodies
are
end of
attached to
passed
sking which
Pulley, so
that they hang vertically. If
mass of the body B is 4 kg;
find a mass
0.05 m
식
up with
of the body a which
acceleration
Take
ake g=10ms
)​

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

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

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v