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Q1. A ranger in a national park is driving at 52 km/h when a deer jumps onto the road 86 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.9 m/s2.
What is the maximum reaction time al- lowed if the ranger is to avoid hitting the deer?
Q2. A passenger standing in the lounge notes that she must lean inward to keep from falling. Let an angle leaning inward be positive and outward be negative.
At what angle from vertical must she lean? Because radius of the curve is much greater than the height of the passenger, neglect torques. 1 mile = 5,280 ft.
If the light from the spotlight strikes the mirror at an angle to the normal, what angle to the normal would you expect for the reflected rays.
Find out an angle of the velocity vector
Estimate mean and maximum velocities for a liquid
The scalar product of vectors and is +51.0. Vector has magnitude 9.00 and direction 28.0 west of south. If vector has direction 36.0 south of east, what is the magnitude of.
Find out an angular momentum of the system
A transverse electromagnetic plane wave with a frequency of 2.84 MHz travels directly away from you (- z direction). At time t = 0, your magnetic field detector measures a magnetic field of 4.57 × 10-8 Tesla pointing down (- y direction) that further..
Establish angles subtended by the moon and the sun
W hat is lumberjacks speed relative to the shore
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
Compute the magnetic flux
What is the angular velocity in rad/s . What is the least pressure obtained inside the bottle? What will happen when this pressure is reached.
What is magnitude of the speed of the boat relative to a stationary shore observer. A person stands at a point that is 4 m from one of the speakers and 4.4 m from the other. Does the person hear the tone? Explain.
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