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At the end of a race a runner decelerates from a velocity of 9 m/s at a rate of 0.400.
(a) How far does she travel in the next 15 sec?
(b) What is her final velocity?
Block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3 m and then collides with stationary block 2, which has mass m2 = 5m1.
A student (m= 75 kg) falls freely from rest and strikes the ground. throughout the collision with ground, he comes to rest in a time of 0.040 s. the average force exerted on him by the ground is +18 000 N.
What skill did you learn during the Grant proposal process that will be useful to you in the future? How and why? 200 words What aspect of the Grant proposal process did you find most difficult? Why? 200 words
Long parallel wires separated by 7.5 cm carry 3.3 Amperes each in opposite directions. What magnetic force per length acts on the wires
The masses and coordinates of three spheres are as follows: 14 kg, x = 1.25 m, y = 1.25 m; 38 kg, x = -2.50 m, y = -2.00 m; 62 kg, x = 0.00 m, y= -0.50 m. What is the magnitude of the gravitational force
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C-1). To what temperature must the frames be heated
a 5.0kg box is pulled horizontally with a 45-n force that makes angle of 40 degrees with the horizontal. the
Two identical 1.40 kg masses are pressed against opposite ends of a spring of force constant 1.70 N/cm, Find the maximum speed of each mass when it has moved free of the spring on a smooth
a heat engine exhausts its heat at 340degc and has a carnot efficiency of 39. what exhaust temperature would enable it
Compare the shift in frequency if a 2000 Hz source is moving toward you at 15 m/s, versus you moving toward it at 15m/s. Are the two frequencies exactly teh same?
question1analyse the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted
A block mass of 4.00 kg is pulled 13.7 m along a frictionless horizontal table by a constant 15.8 N force direction 43 degrees above the horizontal. Find the work done by the applied force.
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