Vector A has a magnitude 8.0 m at an angle of 30 degrees below the +x axis. The y-component of A is
Blog
In moving a standard computer mouse, a user applies a horizo…
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.
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?
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)
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?
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: