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the cheetah is one of the fastest accelerating animals for it can go from rest to 268 ms in 389 s if its mass is 103 kg
a student starting from rest slides down a water slide on the way down a kinetic frictional force a nonconservative
a rescue helicopter lifts a 853-kg person straight up by means of a cable the person has an upward acceleration of 0697
a pilot ejects from a jet raveling horizontally at 361 ms the combined mass of the pilot and their ejection seat is 200
a 400 kg wagon is towed up a hill inclined at 173deg with respect to the horizontal the tow rope is parallel to the
the positively charged plate of a parallel-plate capacitor has a charge equal to q when the space between the plates is
a baseball player hits a baseball m 0144 kg as shown in the figure below the ball is initially traveling horizontally
a high-speed photograph of a club hitting a golf ball is shown in the figure below the club was in contact with a ball
a block of mass 14 kg is moving up a 40 degree inclined plane at a speed of 2 ms assuming the surface is frictionless
a 50 gallon buoy is tied to the bottom of a still lake by a rope 26 of its volume is below water what is the buoyant
a block of mass m 155 kg rests on an inclined plane with a coefficient of static friction of s 013 between the block
a bullet of mass m 00230 kg is fired along an incline and imbeds itself quickly into a block of wood of mass m 130 kg
a uniform magnetic field points north its magnitude is 48 t a proton with kinetic energy 75 10-13 j is moving
to test the quality of a tennis ball you drop it onto the floor from a height of 402 m it rebounds to a height of 284 m
two plastic spheres each carrying charge uniformly distributed throughout its interior are initially placed in contact
a 175mh inductor with 49ohm resistance is connected in series to a 24uf capacitor and a 50hz vrms 30v sourcepart a
rocket man has a propulsion unit strapped to his back he starts from rest on the ground fires the unit and accelerates
a 015 kg ball hits a wall with a velocity of 400 ms 650 ms 500 ms it rebounds from the wall with a velocity of 200
two horses are pulling a barge with mass 187 103 kg along a canal as shown in the figure the cable connected to the
a 70 ohm lamp and a 75 ohm lamp are connected in series and placed across a potential of 41 v what is the voltage drop
a 10-kg picture is held in place by two wires the first hanging at 350deg to the left of the vertical and the second at
a 50-kg person steps on a scale in an elevator that is moving upward the scale reads 5125 n what is the magnitude in
an astronaut weighs 85 n on the moon where the acceleration of gravity is 162 ms2 how much in n does she weigh on
a 50-kg crate is being pulled along a horizontal smooth surface the pulling force is 100 n and is directed 300deg above
a 70 ohm lamp and a 75 ohm lamp are connected in series and placed across a potential of 41 v what is the equivalent