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Three athletes are tugging on a ring. Martha pulls with a force of 150 N in the northerly direction. Eveylyn pulls with a force of 100 N in the easterly direction. Sara pulls with a force of 200 N in the southwesterly direction (225 degrees clockwise from north).a) How big is the resultant of the three forces?b) What is the direction of the resultant force?Please show your work and steps!
A jet airplane flying from Darwin, Australia, has an air speed of 256 m/s in a direction 5.0° south of west. What is the magnitude of the velocity of the airplane relative to earth
parallel plate capacitor has capacitance of 2.0 ?F and plate separation of 1.0 mm. What is the magnitude of the greatest charge
A 40.0-N crate starting at rest slides down a rough 6.00-m-long ramp, inclined at 30.0° with the horizontal. What is the speed of the crate at the bottom of the incline
A solid disk rotates in the horizontal plane at an angular velocity of 0.077 rad/s with respect to an axis perpendicular to the disk at its center. what is the angular velocity of the disk
A locomotive is pulling a number of identical wagons along a level track and accelerating. Friction is negligible. Starting from the last wagon, the ratio of the forces between adjacent wagons is.
You fly from Boston's Logan Airport, at sea level, to Denver, at an altitude of 1.6km. What is your gravitational potential energy at the plane's 13km cruising altitude
You're caught running a red light on Hwy 316. Attempting to impress the skeptical patrol officer with your physics knowledge, If you had been traveling that fast and the light actually was yellow, what color would it have seemed to you
A material has an index of refraction of 2.050. What is the critical angle for internal reflection inside a block
As shown above, a uniform boom with a mass of 25.0 kg and a length of 3.00 meters is suspended at its left end by a low friction bearing and at its middle by low mass steel wire of diameter 4.00 mm. Y steel = 2.00 *10^11 Pa. Find the tension in the c..
question1a blue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.6
A blue ball is thrown upward with an initial speed of 22.8 m/s, from a height of 0.9 meters above the ground. 2.8 seconds after the blue ball is thrown, How long after the blue ball is thrown are the two balls in the air at the same height
A 10.0 kg mess kit sliding on a frictionless surface explodes into two 5 kg parts, one moving at 4.5 m/s, due north, What was the original speed of the mess kit
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