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A motorist suddenly notices a stalled car and slams on the brakes, negatively accelerating at 6.6m/s^2 . Unfortunately this isn't enough, and a collision ensues. From the damage sustained, police estimate that the car was going 15km/h at the time of the collision. They also measure skid marks 36m long.
A. How fast was the motorist going when the brakes were first applied?
B. How much time elapsed from the initial braking to the collision?
What is the difference between mas and weight? On earth, what is the weight of a 1 kg mass, When your textbook says that the moon "falls around the earth,
When laser light of wavelength 632.8nm passes through a diffraction grating, the first bright spots occur at +/- 17.8 degrees from the central maximum. At what angles do the third bright spots occur
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a 120 turn coil of radius 1.8 cm and resistance 5.3 ? is placed outside a solenoid of radius 1.6 cm. Find the magnitude and direction of the current induced in the coil
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 9.0 m/s. What is the speed in the second segment
A laser beam is incident at an angle of 41.0° to the vertical onto a solution of corn syrup in water.b What is its frequencyin the solution
The dimensions of a parallel-plate capacitor are all increased by afactor of five. By what factor doesthe capacitance change? (The dimensions refer to the length and width of a plate and the spacing between the plates.)
A 53.26 g sample of a substance is initially at 29.9 °C. After absorbing 2429 J of heat, what is the specific heat of the substance
questiona known toy consists of an aligned row of identical steel balls that are suspended bynbspmono?lament so they
A diving board length = 5.60 that weighs 210 is supported by two pillars. One pillar is at the left end of the diving board; other is distance = 1.60 away. Find out the magnitude of force exerted by the left pillar while an 85.0 diver stands at th..
The pressure of air in your house can stay constant during the day if the temperature rises. Determine the number of moles of air that leave the house during the day time
Assume the magnitude of the electric field on each face of the cube of edge L = 1.03 m in the figure below is uniform and the directions of the fields on each face are as indicated. (Take E1 = 35.7 N/C and E2 = 27.5 N/C.)
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