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Vector A points in the negative x direction. Vector B points at an angle of 60 above the positive x axis. Vector C has a magnitude of 10 m and points at an angle of 10 below the positive x axis. Given A+B+C=0, find the magnitude of A and B.
what is the index of refraction of the jelly? 2 glass plates are parallel and between is jelly 0.015mm thick. the glass has an index of refraction 1.53, the plates are each 8.00 cm long, 10 dark fringes are 6.33mm apart. wave length is 525nm .
What is the direction of the first ball after the collision? obtain the direction as an angle south of east.
what is the ratio of the amplitude of damped oscillations.
A typical Major League fastball is thrown at about 99 mph and with a spin rate of 103 rpm. If the distance between the pitcher's point of release and the catcher's glove is exactly 65.5 ft, how many full turns does the ball make between release and c..
A toy car with mass of m=166 GRAMS crashes into a spring with constant k=45 N/m. If the car was going v=1.5 m/s, then how far will the spring compress.
Speedboat A negotiates a curve whose radius is 152 m. Speedboat B negotiates a curve whose radius is 204 m. Each boat experiences the same centripetal acceleration. Illustrate what is the ratio vA/vB of the speeds of the boats?
From then on, the wheel turns through an angle of 431 rad as it coasts to a stop at constant angular deceleration. Illustrate a t what time does the wheel stop?
A 1200kg car rounds a curve of radius 65 m banked at an angle of 14degrees. if the car is traveling at 30km/hr, will a friction force be required? if so, how much and in what direction.
A uniform plank of length 5.9 m and weight 212 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support .To what distance x can a person who weighs 443 N walk on overhanging part of the plank before it just begins ..
A rocket of total mass 3180-kg is travelling in outer space with a velocity of 115 m/s toward the Sun.
Find out the maximum distance d (along the ladder) that the monkey can climb up ladder before the rope breaks.
On a cool morning, when the temperature is 15deg Celsius, you measure the pressure in your car tires to be 30 psi. After driving 20 mi on the freeway, temperature of your tires is 45 deg Celsius. What pressure will your tire gauge now show.
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