Oxygen is compressed in the sealed end of a long J-tube by means of a column of mercury open to the atmosphere as shown below Mercury has a density of 13.6x10^3 kgm^-3 and atmospheric pressure is 1.01 x 10^5 pa

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?