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Q. An automobile with an initial speed of 4.30m/s accelerates uniformly at the rate of 3 m/s/s. find the final speed and the displacement after 5 seconds.
Q. A toy train is pushed forward and released at x0 = 1.6m with a speed of 1.4 m/s. It rolls at a steady speed for 1.7 s and then one wheel begins to stick. The train comes to a stop 6.0 m from the point at which it was released. What is the magnitude of train's acceleration after its wheel begins to stick?
Two meteoroids are heading for earth. Their speed as they cross the moon's orbit is 2.3 km/s. The second meteoroid misses for earth by 2680 km. What is its speed at its closest point.
A small metallic bob is suspended from the ceiling by a thread of negligible mass. The ball is after that set in motion in a horizontal circle so that thread describes a cone. Compute the magnitude of the angular momentum of the bob about a vertic..
A cyclist is traveling at an initial speed of 10.0m/s. She accelerated at a rate of 0.500m/s^2. What is her final speed after 9.
If, as is typical, each of them breathes about 500 {rm{ cm}}^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year.
What is the maximum displacement of the bridge deck?
A 11 g bullet is fired horizontally into a 109 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 142 N/m. The bullet becomes embedded in the block.
assume that the microwave radiation has a wavelength of 11.2 cm. How many photons are required to heat 235 mL of coffee from 25.0 ^circ rm C to 62.0 ^circ rm C.
Stone with a mass of 0.800 {rm kg} is attached to one end of a string 0.900 {rm m} long. The string will break if its tension exceeds 65.0 {rm N}. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string rem..
A block is given an initial velocity of 5 m/s up a frictionless 19° incline. How far up the incline does the block slide before coming (momentarily) to rest.
Dan is gliding on his skateboard at 4. He suddenly jumps backward off the skateboard, kicking skateboard forward at 8.00 (as measured by an observer on the ground). Dan's mass is 60 and skateboard's mass is 5.00 .How fast is Dan going as his fee..
A small rocket to gather weather data is launched straight up. few seconds into the flight, its velocity is 110 and it is accelerating at 17 . At this instant, the rocket's mass is 50 and it is losing mass at the rate of 0.45 as it burns fuel.
An electric field of 220000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -10C at the spot.
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