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A 5.0 kg sled initially at rest on a level snow-covered road, is pulled by a constant force of 10 N. The force makes an angle of 20 degrees with the horizontal, and friction between the sled and the snow is neglible. Find the kinetic energy of the sled after it had been pulled for a distance of 6.0 m.
A child suddenly runs into the street. If it takes the driver 0.80 s to react and apply the brakes, explain how many meters will the car have moved before it begins to slow down?
A charge of -3.55 nC and a charge of -5.65 nC are unconnected by a distance of 60.0 cm. Find the position at which a third charge of +7.20 nC can be located so that the net electrostatic force on it is zero.
Describes possible scenarios among following
Determine the highest speed the stone can attain without breaking the string.
The plates of a parallel-plate capacitor are charged to a potential difference of 12.0 V. If the capacitance is 15.0 µF, calculate the energy stored in the capacitor
You have two capacitors, one with capacitance 18.5 × 10-6 F and the other of unknown capacitance, You discover that, as a result, the unknown capacitor has a charge of 0.00143 C. Find its capacitance
A 3.00-kg object is fastened to a light spring, with the intervening cord passing over a pulley. The pulley is frictionless, and its inertia may be neglected.
calculate the fraction of which is submerged when the cylinder floats in alcohol. Fraction of Vwood submerged.
A tennis ball of mass 0.0611 kg is served. It strikes the ground with a velocity of 55.6 m/s (124 mi/h) at an angle of 21.2° below the horizontal. what average force did the ground exert on the ball
what is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.84m tall person standing vertically
Let be the magnitude of the kinetic energy of puck A at the instant it reaches the finish line. Likewise, is the magnitude of the kinetic energy of puck B at the (possibly different) instant it reaches the finish line.
Boxes A and B have masses of 12 kg and 4 kg, in that order. The two boxes are released from rest. Use conservation of energy to find out the boxes speed when box B has fallen a distance of 00.5 m.
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