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Question1
The magnitude of four displacement vectors shown in the drawing are A = 16.0 m, B = 11.0 m, C = 12.0 m, and D = 26.0 m. conclude the magnitude and directional angle for the resultant that occurs as these vectors are added together.
Question2
Solar-powered car as a function of time. The driver accelerates from a stop sign, cruises for 20 {rm s} at a constant speed of 60 {rm{ km/h}}, and then brakes to come to a stop 40 {rm s} after leaving the stop sign. Calculate an average acceleration during the time interval t = 0 to t = 10{rm{s}}.
Question3
You are driving to the grocery store at 20 {rm m/s}. You are 110 {rm m} from an intersection when the traffic light turns red. Suppose that your reaction time is 0.50 {rm s} and that your car brakes with constant acceleration. What acceleration will convey you to rest right at the intersection? How long does it take you to stop after the light turns red?
An AC generator operates at 22 V and delivers 200 W of power through an ideal (no loss) transformer to the load with the resistance 4.0 \Omega
Evaluate (a) the acceleration of each object, (b) the tension in the string, and (c) the coefficient of kinetic friction between m2 and the incline.
The potential at location A is 392 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 780 V, and when released from rest from this spot, the particle arrives at B wit..
A runner covers one lap of a circular track 40.0m in diameter in 63.5s, what was her average speed for that half-lap
With what velocity would they be separating after the collision.
How long after being thrown will the balls collide
What is an amplitude at a point where two pulses are crossing if the end at which reflection occurs is free to slide up and down.
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800kg/m3 , length 91.6cm and diameter 3.00cm from a storage room to a machinist. Calculate the weight of the rod
A pipe is horizontal and carries oil that has a viscosity of 0.15 Pa · s. The volume flow rate of the oil is 5.8 10-5 m3/s. What is the absolute pressure at the input end
A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is i..
How much heat does an engine with an efficiency of 26.0% absorb in order to deliver 2.00 kJ of work, How much heat is exhausted by the engine
A small sphere of mass m = 6.10 g and charge q1 = 29.2 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2 = 58.0 nC is located below the first charge a distance d = 2.00 cm below the first charg..
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