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A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 15.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration of 2.43 m/s2 for a distance of 60.0 m to the edge of the cliff, which is 25.0 m above the ocean.
Imagine holding the above plastic block under water. When released, what is the upward acceleration of the block
question1on vacation your 1350 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 1.90 ms2.a
A proton is placed in an electric field of intensity 700 N/C. What is magnitude and direction (towards or away from the field) of the acceleration of this proton because of this field? The charge on a proton is +1.6 x 10-19 C and the mass of a prot..
A 1000kg car is traveling at 9m/s strikes a stationary 2000kg truck. they interlock as a result of the collision and move off as one. what is their velocity after the collision?
An 7.17 kg block drops straight down from a height of 1.21 m, Find the maximum compression of the spring
you are driving down the highway late one night at20when a deer steps onto the road35in front of you. your reaction
A 0.09 kg arrow is pulled back in a bow. After being held still, it is let go, moving 25m/s after the 0.47 meters in which the arrow is in contact with the bow string. What work was done on the arrow by the bow string? What force was exerted by the a..
the electrons in the beam of a television tube have a kinetic energy of 2.86 x 10-15 j. initially the electrons move
q1. a chair of weight 125 n lies atop a horizontal floor the floor is not frictionless. you push on the chair with a
A person of mass 71.5 kg is initially atrest on the edge of a large stationary platform ofmass 160 kg, supported by frictionless wheels on a horizontal surface.
Light waves are electromagnetic waves that travel at 3.00 108 m/s. The eye is most sensitive to light having a wavelength of 5.50 10-7 m. (a) Find the frequency of this light wave. Hz (b) Find its period. s
q1. according to the guinness book of world records 1990 edition p. 169 the highest rotary speed ever attained was 2010
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