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A car accelerates uniformly from rest to a speed of 8.94 m/s over a distance of 40.25 m. Determine the acceleration of the car.
While John is travelling along a straight interstate highway he notices that the mile marker reads 243 km john travels until he reaches his path to the 178 km marker what is john's resultant displacement from the 243 km marker.
If we assume the ice is perfectly slick (that is, no friction between the crewman and the ice once he slips and falls down), at what speed will the crate hit the ground
A 65-kg woman cheats on her diet and eats a 612-Calorie (612 kcal) jelly doughnut for breakfast. If the human body is only 21% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakf..
A blue ball is thrown upward with an initial speed of 23.2 m/s, from a height of 0.7 meters above the ground. 2.8 seconds after the blue ball is thrown, What is the speed of the blue ball when it reaches its maximum height
When light of wavelength 350 nm is incident on a metalsurface, the stopping potential of the photoelectrons is 0.500 eV. What is the threshold frequency? What is the maximum kinetic energy of the electron (ineV)? What is the work function of the m..
An airplane is flying over the countryside with a velocity of 85.0 m/s at an angle of 19.5o with respect to the horizontal. How far from the person will the crate land
A 25g ball is fired with an initial speed v1 toward a 150g ball that is hanging motionless from a 1.30m string. The balls have a perfectly elastic collision. As a result, 150 g ball swings out until the string makes an angle of 37° with vertical. ..
A plane flying horizontally at a speed of 50.0 m/s and at an elevation of 160 m drops a package. How far apart will the two packages land on the ground (ignore air resistance)
You are designing a space station and want to get some idea how large it should be to provide adequate air for the astronauts. how many cubic meters of air an average person breathes
A jet flies from base camp to Lake A, 330 kilometer away in the direction 20.0 degree north of east. Calculate the distance in km and its direction in degree
A standing wave in a column of air with both ends open has a frequency of 440 Hz. The next higher harmonic has a frequency of 700 Hz. How long is the column of air
An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/s2. determine how long does it take for the rock to fall
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