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At a sports car rally, a car starting from rest accelerates uniformly at a rate of 9.0 m/s^2 over a straight-line distance of 100 m. The time to beat in this event is 4.5 s. Does the driver beat this time? If not, what must the minimum acceleration be to do so?
In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 86.1 kg. find the magnitude of the force he exerts on the chin-up bar
At this point she is disappointed at having seen no dolphins and heads straight for Treasure Island. Illustrate what is the total distance Moe travels from the harbor to the island? Express your answer to 2 significant figures.
A projectile launcher is set up in lab at a height of 1.05 meters above the lab floor. What is the horizontal distance which the projectile travels before it hits the ground
A light plane is headed due south with a speed of 190km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 137km, What is the wind velocity (magnitude)
Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 30.8 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa
A ball of mass 4.9 g with a speed of 22.5 m/s strikes a wall at an angle 29.0o and then rebounds with the same speed and angle. compute the average force exerted by the ball on the wall
questiona status newtons first law of motion. b a 2-kg object is affecting horizontally with a speed of 4 ms. how much
A 4.80 long, 600 steel beams extends horizontally from point where it has been bolted to the framework of a new building under construction. A 75 construction worker stands at the far end of beam.
At the end of the run, she is 175 m away from the starting point at an angle of 15.0° north of west. Illustrate what were the direction and length of her second displacement? Use graphical techniques.
What is this value? In this state, the interference pattern still appears showing that each individual electron can interfere with itself.
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes - decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process
A motorcycle is traveling up one side of a hill and down the other side. Determine the maximum speed that the cycle can have
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