What is your speed when you hit the police car
(a) What is the separation between the two cars when your attention finally returns?
(b) Suppose that you take another 0.4 s to realize your danger and begin braking. If you too brake at 5 m/s2, what is your speed when you hit the police car?
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(a) Find the speed of the block just as it leaves the spring. (b) Find the total distance the block will slide. (c) Describe all of the energy transformations and/or transfers that occur during this event.
80 Foot tree. Branches begin 8 feet from ground. Forms a triangle with a 30 degree angle at the tip of tree. Wind speed is 10 meters/second.
(a) What must be the magnitude of the resulting constant deceleration if a collision is to be just avoided?
What is the water pressure supplied to a building of the shower heads are 30 meters above the supply line, the pipe is 1 centimeter in diameter (id) galvanized iron pipe.
Suppose that you take another 0.4 s to realize your danger and begin braking. If you too brake at 5 m/s2, what is your speed when you hit the police car?
Beverly has estimated that, during the 3 years of the lease, there is a 40% chance she will drive an average of 12,000 miles per year, a 30% chance she will drive an average of 15,000 miles per year, and a 30% chance she will drive 18,000 miles pe
When you last stopped, you noticed that the snow was coming down vertically, but it is passing the windows of the moving car at an angle of 30 degrees to the horizontal. Estimate the speed of the snowflakes relative to the car and relative to the
A box has ten coins. Six of the coins have a probability of heads 3/10. The other four coins have probability of heads 8/10. A coin is chosen at random and tossed.
Calculate the speed of a proton that is accelerated from rest through an electric potential difference of 158 V.
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