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An inattentive driver is traveling 20.0 m/s when he notices a red light ahead. His car is capable of decelerating at a rate of 4.00 m/s^2. If it takes him 0.250 s to get the brakes on and he is 30.0 m from the intersection when he sees the light, will he be able to stop in time?
When kicked, the ball leaves the ground with a speed of 29.0 m/s at an angle of 51° to the horizontal. Explain by how much does the ball clear or fall short of the crossbar?
If the tension in each chain at the lowest point is 408 N, find the child's speed at the lowest point.
The sodium D line is a doublet consisting of two wavelengths, 588.995 and 589.592 nm. Calculate the angular separation between these two lines in the first-order spectrum for a grating with 4000 lines per centimeter. Repeat for the second order.
Determine and explain the ways a corporation can use advanced Excel tools such as MIN and MAX statement, conditional formatting, and additional tools that have found to manage their business finances.
Calculae the flow rate ( in grams per second) of blood in the aorta if the flow speed is 42 cm/s.
what is the shortest height a plane mirror must be so that a person 1.60 meters tall is able to see his or her whole body.
compute the force and the total work required in each case. Find the tension in each of the cables.
A rifle with a barrel length of 56 cm fires a 14 g bullet with a horizontal speed of 350 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 13 cm.
Light from the sun is incident on the surface of a pond with a smooth surface. The light strikes the surface at the angle of 30 to the surface and is partially reflected. What is the angle of reflection for the reflected portion? What is an angle of ..
A proton starting from rest is accelerated in a cyclotron to a speed of 3.0•106 m/s. Find the work done on a proton by the electrical force of the cyclotron.
A box with a mass of 6 kg is lifted (without acceleration) by a height of 6.0 m in order to place it upon the shelf of a closet.
A 10.00kg box on a smooth, frictionless, horizontal surface experiences a downward force of 30n at an angle of 40 degrees to the horizontal. The box moves 1.50 m to the right. What was the work done by gravity.
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