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You drop 470 g of solid ice at ?35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, and the entire system comes into thermal equilibrium. Find the final temperature of the system.
On a spacecraft, two engines are turned on for 658 s at a moment when the velocity of the craft has x and y components of velocity v0x = 4115 m/s and v0y =5135 m/s, Find the x and ycomponents of the craft's acceleration
A uniform circular ring of charge Q= 7.30 microCoulombs and radius R= 1.10 cm is located in the x-y plane, centered on the origin. What is the magnitude of electric field E at point P, located at z= 2.80 cm.
Travelling at a speed of 17.10 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.81 s have el..
Physics: Speed of car at bottom of driveway; initial speed of bullet, 20 A 2.10 x 10³ kg car starts from rest at the top of a 5.0 m long driveway that is sloped at 20° with the horizontal. If an average friction force of 4.0 x 10³ N impedes the mo..
A 0.800mm -diameter ball bearing has 2.50×109 excess electrons, What is the ball bearing's potential
Find the angular acceleration - What is the torque on the rod when it makes an o angle q with the vertical - Find the kinetic energy of a solid sphere of mass 0.5 kg and radius 10 cm that rolls without slipping on level ground
a uniform 12.0kg ladder is 4.0m long and is placed against a frictionless wall at 30 degress. find the frictionless force at the floor necessary to maintaain equilibrium
Find the flux of Earth's magnetic field of magnitude 5.00 cross 10-5 T through a square loop of area 20.0 cm2
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration of 2.4 rad/s2. What is the tangential acceleration of the discus thrower at this point
A monatomic ideal gas expands slowly to twice its original volume doing 310 J of work in the process, Find the change in internal energy if process isobaric
A basketball player jumps straigh up to launch a long jump shot at an angle of 45 degrees with the horizontal and a speed of 15 m/s. How far from his original position does he land
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