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An icy road has coefficient of static friction of 0.150. If the road is flat, what is the maximum speed that a car can go around a circular bend with a radius of 6660.6 m?
A child attempts to kick a ball over a wall 5.0 m tall 30.0 m away. If the child kicks the ball with an inital velocity of 20.0 m/s at an angle of 60.00 by how much does the ball clear the wall?
If the frictional force is one-third the maximum value, what is the coefficient of static friction?
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20 above the horizontal. How long is the jumper in the air before returning to the Earth?
What is the smallest radius of curvature (in m) that the truck can take, if the speed with which it is going around a circle is 38 m/s?
The student, below the table pulls on the string with a tension 16.00 N to keep the mouse on a circular path of a particular radius. If the mouse has a mass of 1.55 kg and moves with a speed of 3.95
A horizontal string is attached to the block and a constant tension is maintained in the string. What is the force of friction acting on the block if the tension is 11.24 N?
What is the intensity of the third bright fringe in terms of the intensity Icen of the central fringe?
What is the maximum acceleration of a 1020.0 kg four-wheel-drive truck if the road makes an angle of 13.50 degrees with the horizontal and the truck is climbing?
A horizontal force F of 709.4 N is applied to the upper block which accelerates with 5.73 m/s2. Find the coefficient of kinetic friction between the two blocks. Find the acceleration of the lower bloc
The block is attached to a second block of mass 580.0 g that hangs freely by a string that passes over a frictionless and massless pulley, at the top of the incline. Find the speed of the second blo
A tin can is filled with water to a depth of 39 cm. A hole 18 cm above the bottom of the can produces a stream of water that is directed at an angle of 39^ above the horizontal. a) Find the range o
A box is on the back of a truck, the truck is moving at 64.0 km/h along a level road. If the coefficient of static friction between the box and the truck is 0.570, what is least distance that the tr
What is the minimum distance in which the car can stop if its speed is 19.0 m/s before the brakes are applied?
The 2.00-kg mass is acted on by an upward force F = 5.30 N and has a downward acceleration of 5.50 m/s2. What is the tension in the connecting cord?
If the participants exert forces of 93.7 N and 100.0 N, what will be the magnitude of the acceleration of the sled?
A worker drags a crate across a factory floor by pulling on a rope tied to the crate. The worker exerts a force of 495.0 N on the rope which is inclined at 34.0° to the horizontal, and the floor
The electric attraction between the two objects provides the centripetal force to keep the particle in orbit. The orbital speed of the particle is 6.480e+4 m/s. What is the charge on the sphere?
A jetliner is moving at a speed of 380 m/s. The vertical component of the plane's velocity is 35.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
An electron gains 5 x 10-16J of kinetic energy when moving from plate A to plate B. What is the electric potential difference between the plates? Which plate is positive?
Ashley rubbed a cat's fur on a penny until she had removed .62 nano-moles of electrons. she placed the charged penny in a horizontal electric field of magnitude 6.8x104 N/C. Calculate the magnitude
Driving home from school one day, you spot a ball rolling out into the street. You brake for 1.20 seconds, slowing your 950-kg car from 16 m/s to 9.50 m/s. (A) What was the average force exerted on
It takes the elevator in a skyscraper 3 s to reach its cruising speed of 8.08 m/s. A 78 kg passenger gets abord on the ground floor. What is the passenger's weight before the elevator starts moving?
Rolling friction can be neglected. What is the magnitude of the force of the car on the truck? What is the magnitude of the force of the truck on the car?