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Problem: A speeder is driving with constant velocity at 20 m/s. She approaches a police car. As soon as she passes by, the police car (Which was at rest) accelerates with constant acceleration 5 m/s2.
Part A: How long does it take him to catch her?
It'd be really helpful if you could show all steps of your work.
suppose a photon is equally likely to be found anywhere in an interval of 18.6 cm along the x-axis. what is the minimum
An artificial lens is implanted in a person's eye to replace a diseased lens. The distance between the artificial lens and the retina is2.82cm. What is the power of the implanted lens
Two forces, of magnitude F1 = 80.0 N and F2 = 45.0 N, act in opposite directions on a block which sits atop a frictionless surface. Find the work W1 done on the block by the force of magnitude F1= 80.0 N as the block moves from xi = -1.00 cm to xf =..
a 30 year old women takes a trip on a rockect leaving her 30 year old brother behind. She travels at a speed of .8c and is gone for 20 years, how many years older/younger is she than her brother
A very light rigid rod with a length of 0.692 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
A 42-g ball consists of a plastic spherical shell and a water-filled core. the shell has an outside diameter equal to 56.2 mm, What is the density of the plastic
A wheel rotates without friction about a stationary horizontal axis at the center of the wheel. What is the moment of inertia of the wheel
An 8.00kg mas is at rest on an incline, the incline is 32.0degrees. The incline has a rough surface (us=0.375 and uk=0.250). A force F is applied to the mass, parallel to the incline, directed upward. Find the range of values the applied force F can..
A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in the figure. The ball's position is shown at 1.0 s intervals until t =3.0 s. At t = 1.0 s the ball's velocity has components Vx= 1.5 m/s, Vy = 3.0 m/s.
Two parallel wires are 100m long and 10cm apart and carry opposite chargse of 100 micro couloumbs, what is the electrical force between the wires
A muon (an elementary particle) enters a region with a speed of 4.90 106 m/s and then is slowed at the rate of1.20 1014 m/s2
Sau-Lan has a mass of 52 kg. She rides the up escalator at Ocean Park in Hong Kong. This is the world’s longest escalator, by a length of 227 m and an average inclination of 31°. How much work does the escalator do on Sau-Lan?
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