In moving a standard computer mouse, a user applies a horizontal force of 6.00×10−2 N. The mouse has a mass of 125 g. Assuming it starts from rest, what is its speed after moving 0.159 m across a mouse pad? Ignore forces like friction that oppose its motion.
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When is the average velocity of an object equal to the inst…
When is the average velocity of an object equal to the instantaneous velocity?
Suppose A = BC, where A has the dimension L / M and C has th…
Suppose A = BC, where A has the dimension L / M and C has the dimension L / T. Then B has the dimension:
A car goes from 40 m/s to 80 m/s in a distance of 200 m. Wh…
A car goes from 40 m/s to 80 m/s in a distance of 200 m. What is its average acceleration?
A cart with an initial velocity of 5.0 m/s experiences a con…
A cart with an initial velocity of 5.0 m/s experiences a constant acceleration of 2.0 m/s2. What is the cart’s displacement during the first 6.0 s of its motion?
Which one of the following is NOT consistent with a car whic…
Which one of the following is NOT consistent with a car which is accelerating?
A rectangle is 325 cm long and 150 cm wide. What is its area…
A rectangle is 325 cm long and 150 cm wide. What is its area? Give the response in significant digits)
An object has a constant acceleration of -3 m/s2. The veloci…
An object has a constant acceleration of -3 m/s2. The velocity versus time graph for this object has a slope:
An object with an initial velocity of 12 m/s east experience…
An object with an initial velocity of 12 m/s east experiences a constant acceleration of 4 m/s2 east for 3 seconds. During this time the object travels a distance of:
Freefall acceleration g is the acceleration due to gravity….
Freefall acceleration g is the acceleration due to gravity. It equals 9.80 meters per second squared near the Earth’s surface. (a) What does it equal in feet per second squared? ( 1m = 3.280 feet)