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physics buoyant
a styrofoam ball is attached to the bottom of a swimming pool with a nylon cord. the cord is 1.20 m long and the pool is 3.3 m. diameter of ball is 46cm. density of styroforam is 0.3 g/cc. find...
forces physics problem - Please Help ASAP
You are on an amusement park ride with your back against the wall of a spinning vertical cylinder. The floor falls away and you are held up by static friction. Assume your mass is 72 kg. (a) Draw...
Forces problem - Please Help ASAP
You are racing in a rally on a snowy day when the temperature is near the freezing point. The coefficient of static friction between a car's tires and an icy road is 0.170. Your crew boss is concerned...
Atwood's Machine Problem - Please help ASAP
Both sides of wire start out with 5 washers with the total mass of 5m. When N washers are transferred from the left side to the right side, the right side descends 70.56 cm in 0.60 s. Find N.
Phyisics question below
A spring with a force constant of 120N/m is used to puch a 0.27kg block of wood against a wall. Find the minimum compression of the spring needed to keep the block from falling, given that the coefficient...
What's a mirage?
I need to figure this out
1500kg car pulls a 600kg trailer away from the stoplight with an acceleration of 2.0m/s^2. Questions below
On vacation, your 1500kg car pulls a 600kg trailer away from the stoplight with an acceleration of 2.0m/s^2, What is the net force exerted on the trailer, what force does the trailer exert on the...
A 23kg suitcase is being pulled with constant speed by a handle that is at an angle fo 25 degrees above the horizontial. Question below.
A 23kg suitcase is being pulled with constant speed by a handle that is at an angle fo 25 degrees above the horizontial. If the normal force exerted on the suitcase is 200N, what is the F applied...
You brake for 1.30s, slowing your 1000kg car from 17.0m/s to 10.0m/s. What was the average force exeerted on your car during braking?
Driving home from school, you spot a ball rolling out into the street. You brake for 1.30s, slowing your 1000kg car from 17.0m/s to 10.0m/s. What was the average force exeerted on your car during...
Help Please It's Physics
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 5.8 m/s. (a) What is the period of the motion? (b) What is...
Physics Question (Too big to fit in this box)
Two blocks on a frictionless horizontal surface are connected by a light string, where m1 = 11 kg and m2 = 22 kg. A force of 80 N is applied to the 22 kg block. (a) Determine the acceleration...
Forces problem - Please Help ASAP
In the figure below, m1 = 3.2 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.2-kg block is μk = 0.25. Find the magnitude of the acceleration of the masses...
forces problem - Please Help ASAP
The coefficient of static friction between a rubber tire and the road surface is 0.85. What is the maximum acceleration of a 1042-kg four-wheel-drive truck if the road makes an angle of 12.7° with...
forces problem - Please Help ASAP
A rear-wheel-drive car supports 48% of its weight on its two drive wheels and has a coefficient of static friction of 0.60. (a) What is the vehicle's maximum acceleration? (b) What is the...
forces physics problem - Please Help ASAP
A sky diver of mass 66 kg can slow herself to a constant speed of 99 km/h by orienting her body horizontally, looking straight down with arms and legs extended. In this position, she presents the...
forces physics problem - Please Help ASAP
A block of mass m1 is attached to a cord of length L1, which is fixed at one end. The block moves in a horizontal circle on a frictionless tabletop. A second block of mass m2 is attached to the first...
forces problem - Please Help ASAP
An automobile is going up a grade of 15° at a speed of 25.5 m/s. The coefficient of static friction between the tires and the road is 0.70. (a) What minimum distance does it take to stop the car...
forces physics problem - Please Help ASAP
A 0.70 kg stone attached to a string is whirled in a horizontal circle of radius 28 cm as in the figure below. The string makes an angle of 30° with the vertical. (a) Find the speed of the stone...
forces physics problem - Please Help ASAP
The radius of curvature of a loop-the-loop for a roller coaster is 14.0 m. At the top of the loop, the force that the seat exerts on a passenger of mass m is 0.35mg. Find the speed of the roller coaster...
forces physics problem - Please Help ASAP
A 0.30 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 15° with the horizontal. Determine the speed of the stone.
