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A 600 kg car is going around a curve with a radius of 120 m that isbanked at an angle of 25.0 degrees with a speed of 30.0 m/s. The coefficient of static friction between the car and the road is0.300. What is the force exerted by friction on the car?
why to Assume charge 1 is located at the origin of x axis. A ball is thrown directly downward with an initial speed of 8.70 m/s, from a height of 30.6 m. After what time interval does it strike the ground.
two equally charged particles are held 3.210-3m apart and then released from rest. the initial acceleration of the
Two identical charges +5.5micro coulomb charges, each of mass 1mg, are initially spaces 6.5cm apart. Determine the velocity of either charge when they are very far away from each other
An observation satellite orbits the planet at a height of 1000 . What is the projectile's speed as it passes the satellite?
A ball of mass 1.91 kg is dropped from a height y1 = 1.35 m and then bounces back up to a height of y2 = 0.59 m. How much mechanical energy is lost in the bounce
An object is thrown up in theair straight up and it takes 10 seconds to reach a maximum height. What is the object's initial speed?
two substances a and b have identical enthalpies of vaporization. they boil at 164 degree celsius and 236 degree
Two stars are 8 light years from earth. The 550nm light from the 2 stars are barely distinguished in the diffraction pattern of 90 cm wide single slit
A plane leaves the airport in Galisto and flies 170 km 68 degrees east of north and after that changes direction to fly 230 km at 48 degrees south of east, after that it makes an immediate emergency landing in a pasture. When airport sends out a r..
The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines. Calculate the pressure due to the ocean
Two people carry a heavy electric motor by placing it on a light board 2.05m long. One person lifts at one end with a force of 405N , What is the weight of the motor
A 603.7-W space heater is designed for operation in Germany, where household electrical outlets supply 230 V (rms) service. What is the power output of the heater
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