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You are driving toward a traffic signal when it turns yellow. Your speed is the legal speed limit of v0 = 55km/h; your best deceleration rate has the magnitude a = 5.18m/s2. Your best reaction time to begin braking is T = 0.75s. To avoid having the front of your car enter the intersection after the light turns red, should you brake to a stop or continue to move at 55 km/h if the distance to the intersection and the duration of the yellow light are
(a) 40 m and 2.8 s, and
(b) 32 m and 1.8s, give an answer of brake, continue, either (if either strategy works), or neither (if neither strategy works nor the yellow duration is inappropriate).
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
A wheel starts at rest and takes 3.00 s to rotate 37.0 revolutions at which point its angular velocity is 98.0 rad/s. What is the constant angular acceleration of the wheel
normalizing a wavefunctionas we will discuss in the coming week the wavefunctions of conductive electrons in carbon
There is a uniform charge distribution of lambda=7.65*10-8 C/m along a thin wire of length L=5.67 cm. compute the magnitude of the electric field at the center of the semicircle
A race car travels with a constant tangential speed of 75.0m/s around a circular track of radius 625m. find The magnitude of the car's total acceleration
Consider the “clearance” concept for the macroscopic view of chemical removal by kidney. The effective volume in a human body is about 18 liters. The clearance of a person for a specific chemical is K = 2L/hr. (a). Determine the concentration of t..
A student moves a box of books by attaching a rope to the box and pulling with a force of 90.0 N at an angle of 30.0 degrees. Find the acceleration of the box
a bullet moving horizontally to the right (+x direction) with a speed of 500 m/s strikes a sandbagk, What is the average acceleration in m/s of the bullet
If an electroscope is charged by induction
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 24.0 in a direction 60.0 west of north. Jane walks 12.0 in a direction 20.0 south of west. They then ..
A raindrop of mass 3.35 10 -5 kg falls vertically at constant speed under the influence of gravity and air resistance. Model the drop as a particle. As it falls 100 m,what is the work done on the raindrop (a) by the gravitational force and (b) by air..
As you zip through space in your PPS (personal propulsion suit), your pulse rate, as you count it, is 117 bpm, How fast are you moving with respect to the Moon
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