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A train smashes into a bicycle that is left unattended on the train tracks. During the collision, the bicycle is crushed and there is merely a scratch on the train. Which of the following statements are true?
-The force of the train on the bicycle is greater than the force of the bicycle on the train
-The force of the train on the bicycle is smaller than the force of the bicycle on the train.
-The force of the train on the bicycle is equal to the force of the bicycle on the train.
-The relative size of the forces cannot be determined without more information.
A 120cm3 box contains helium at a pressure of 1.50atm and a temperature of 80.0?C. What is the initial thermal energy of each gas
a billiard ball of mass 0.649 kg and speed 0.479 ms makes a head-on elastic collision with an identical billiard ball
A 50kg object is sitting on top of a pistion that is supported by a cushion of air in a cylinder. The radius of the piston is 1 m. In order to support this weight, how much force is needed?
A dolphin leaps out of the water at an angle of 34.2 ° above the horizontal. The horizontal component of the dolphin's velocity is 8.71 m/s. Find the magnitude of the vertical component of the velocity
Suppose r = 3 conditions in an experiment have sample sizes and produce sample standard deviations. What is the corresponding value of Sp?
Two carts are put back to back on a track. cart A has a spring-loaded piston; cart B which has twice the inertial mass of cart A is entirely passive. when the piston is released, it pushed against cart B and the carts move apart. how do the magnit..
One solenoid is centered inside another. The outer one has a length of 51.0 cm and contains 6800 coils, What is the mutual inductance of these solenoids
a calculate the inductance of a solenoid containing 300 turns if the length of the solenoid is 25.0 cm and its cross
A one loop circuit is connected thus: A 3.0 V source, with the + side connected to a 10 ohm resistor, how much power does the bulb dissipate
Two astronauts floating at rest with respect to their ship in space decide to play catch with a3-kg asteroid. What is Joe's speed right after his first catch
Calculate the temperature at which a tung- sten filament that has an emissivity of 0.25 and a surface area of 6.6×10?5 m2 will radiate energy at the rate of 51Win a roomwhere the temperature is 26?C. The Stefan-Boltzmann constant is 5.6696 × 10?8 W/m..
Sucrose is allowed to diffuse along a 12.0-cm length of tubing filled with water. What is the difference in the concentration levels of sucrose at the two ends of the tube
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