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A small car is pushing a larger truck that has a dead battery. The mass of the truck is twice as large as the mass of the car. At one instant of time the truck and car both have an acceleration of 3.5 m/s2. Which of the following statements is true? Defend your choice with an explanation using concepts related with Newton’s Laws.
1. The truck exerts a larger force on the car than the car exerts on the truck.
2. The car exerts a larger force on the truck than the truck exerts on the car.
3. The truck exerts a force on the car, but the car doesn’t exert a force on the truck.
4. The car exerts the same amount of force on the truck as the truck exerts on the car.
5. The car exerts a force on the truck; however the truck doesn’t exert a force on the car.
AM radio signals have frequencies between 550 kHz and 1600 kHz (kilohertz) and travel with a speed of 3.0×108m/s. What are the wavelengths of these signals
An 271 N object is moving to right when forces act on it Two forces act in + y direction (up) 32 N and 17 N One force acts in down , -y, direction 20N Two forces act to right , +x, direction 18 N and 26N, Determine the net force on the particle
An elevator at the CN Tower in Toronto, Canada, is able to lift 2000 kg (including the load and the car) to a height of 350 m in 60.0 s. find the minimal power required for the motor of the elevator
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an l-r-c series circuit with an inductance of 0.123 h a resistance of 240 omega and a capacitance of 7.29 micro f
A parallel-plate capacitor in air has a plate separation of1.37 cm and a plate area of 25.0cm2. The plates are charged to a potential difference of268 V and disconnected from thesource. The capacitor is then immersed in distilled water. Assumethat..
a clay vase on a potters wheel experiences an angular acceleration of 7.62 rads2 due to the application of a 18.4-n m
A metal rod of mass 50 and electrical resistance 0.10 rests on parallel horizontal rails that have negligible electric resistance. The rails are a distance = 10.0 apart. The rails are also connected to the voltage source providing a voltage of = 5..
A 2kg ball is rolling East (without slipping) down a hill that makes an angle of 30° with the horizontal. find the net acceleration at the instant the ball is kicked
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 45 rpm (revolutions per minute) if the wheel's radius is 25.6 cm
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