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You're driving down the highway late one night at 20 m/s when a deer steps onto the road 35 m in front of you. Your reac- tion time before stepping on the brakes is 0.50 s, and the maxi- mum deceleration of your car is 10 m/s2.
a. How much distance is between you and the deer when you come to a stop?
b. What is the maximum speed you could have and still not hit the deer.
Suppose you have a gamma ray photon of wavelength 0.0001 nm that hits a muon. If the exiting gamma ray comes out at 30°, what is the wavelength of the exiting photon
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground as he slows down.
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of -5.60 m/s^2 for 4.20s, making straight skid marks 62.4m long ending at the tree. At what speed does it hit the tree?
You exert a force as shown in the diagram to push a large crate of books (about 1 m high, m = 45.0 kg) across a rough floor at constant speed v = 0.650 m/s. Find the rate at which work is done by you
At the instant before a particle collision at the Belle Experiment, an electron is moving north with a total energy of 8 GeV, find the speed of the electron as seen by the positron
A20 kg wagon is pulled along the level ground by a rope inclined at30 degrees above the horizontal. A friction force of 30 N opposesthe motion. How large is the pulling force if the wagon is moving with (a) constant speed, and (b) an acceleration of ..
A system consists of a ball of mass M2 and a uniform rod of mass M1 and length d. Derive an expression for the angular momentum of the rod about point P before the collision
A sports car traveling along a straight line increases its speed from 20.4 mi/h to 60.4 mi/h. What is the ratio of the final to the initial kinetic energy
The temperature of a plastic cube is monitored while the cube is pushed2.6 m across a floor at constant speedby a horizontal force of 15 N. What is the increasein the thermal energy of the floor
A 224-? and a 211-? resistor are connected in series across an unspecified power supply. what is the exact current (in A) through the 211-? resistor
what is the total amount of work done by friction. The supplies should be dropped how various seconds before the plane is directly overhead.
A 3.80-mm-wide bolt is viewed with a9.30-cm-focal-length lens. A normal eye views the image at its near point. Calculate the angular magnification
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