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when jim abd rob ride bicycles, jim can only accelerate at three quarters the acceleration of Rob. Both start from rest at the bottom of a long straight road with constant upward slope. If rob takes 5.7 minutes to react the top, how much earlier should jim start to reach the top at the same time as rob?
How much heat would flow by the glass in 1.00 h if there is a temperature difference of 3^circ {rm C} between the inner and outer surfaces.
A small, 300 {rm g} cart is moving at 1.30 {rm m/s} on an air track when it collides with a larger, 3.00 {rm kg} cart at rest. After the collision, the small cart recoils at 0.890 {rm m/s}.
A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 532 and has a speed of 25.5. The motorcycle has a speed of 12.50. What frequency does the motorcyclist hear in this case?
In a bicycle race, the leader is travelling with a constant velocity of 11.10 m/s and is 10.0 m ahead of the second-place cyclist. The second place cyclist has a velocity of 9.50 m/s and an acceleration of 1.20 m/s squared. How much time elapses b..
create destructive interference between the speakers. Friction provides the force required for a car to travel around a flat, circular race track.
Evaluate the stability of of Na in the NaCl structure
What is the capacitance after the separation becomes 2d.
Assume that light of wavelength 550 nm is being observed. Also suppose that diffraction effects, rather than atmospheric turbulence, limit the resolving power of the telescope. Find the greatest distance that these stars might be from the earth.
How many packs of shingles can the contractor lift before he begins to slide down the roof assuming the following Contractor weights and values for the coecient of static friction exists between the contractor and the roof.
You're driving down the highway late one night at 20 m/s while a deer steps onto the road 44m in front of you. Your reaction time before stepping on the brakes is 0.50 s, and the maximum deceleration of your car is 11m/s^2 .How much distance is be..
While a roofer is working on a roof that slants at 39.0 degrees above the horizontal, he accidentally nudges his 93.0 N toolbox, causing it to start sliding downward, starting from rest.
Two long, straight wires cross each other at right angles, and each carries same current. Which of the following statements are true regarding the total magnetic field at the various points due to the two wires.
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