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A car slows down uniformly from a speed of 45 km/h to rest with an acceleration of -0.50 m/s^2. How long did it travel before coming to a stop? Give your answer in meters.
q1. a robot probe drops a camera off the rim of a 255 m high cliff on mars where the free fall acceleration is 3.8 ms2.
A sample of helium behaves as an ideal gas as it is heated atconstant pressure from 273 K to 343 K. what is the mass of helium present
A bowling ball weighing 71.2{\rm N} is attached to the ceiling by a 3.70{\rm m} rope. find the tension in the rope
A 25 kg box is released from rest on a frictionless ramp making an angle of 42o with the horizontal. Determine the normal force on the box
how long does it take to raise the temperature of the air in a good-sized living room by ? note that the specific heat
In a crash test a car of mass 1,864 kg collides head on with a wall with speed 12.96 m/s in the -ve x direction. The collision lasts for 0.062 s. find the average net force exerted on the car by the wall
A two-slit pattern is viewed on a screen 1.26 m from the slits. If the two fourth-order maxima are 54.0 cm apart, what is the total width of the central bright fringe
The drawing illustrates the dispersion of light by a prism. The prism is made from a certain type of glass, Find the angles of refraction at which the violet rays emerge into the air from the prism
A charge Q1 = 6u is at the origin of an x y coordinate system, What are the magnitude and direction of the force of Q2 on Q1, What are the magnitude and direction of the force of Q3 on Q1
A 9.60 kg object oscillates at the end of a vertical spring that has a spring constant of 2.00 104 N/m. Calculate the frequency of the dampened oscillation
A square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop
suppose you throw a 0.053-kg ball with a speed of 11.3 ms and at an angle of 31.5deg above the horizontal from a
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