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A 1460-kg racecar is driving around a circular track of radius 161 m. In the instant shown in the figure, the vehicle has a forward speed of 30.9 m/s and is slowing at a rate of 6.25 m/s2. What is the magnitude of the net force acting on the vehicle at this time and the force\'s direction relative to the velocity?
A plane is flying southeast at 200 km/h. suddenly, What is the plane's new velocity with respect to the ground in standard postion
The experiment you did in lab is repeated, using a uniform metal bar that is 80.0 cm long instead of the meterstick. Since the bar is uniform, What is the mass of the bar?
When she gets off the ride, she uploads the scale readings to a computer and creates a graph of scale reading versus time. Note that graph has a minimum value of 519 rm N and a maximum value of 666 rm N.
A small helium-neon laser emits red visible light with a power of 3.2 mW in a beam with a diameter of 2.5 mm. what is the total energy contained in a 1.00 m length of the beam
A sine wave is traveling along a string. The time for a particular point to move from maximum displacement to zero is 0.880 s. What is the period?
A 25.0mH inductor is connected in series with a 50.0 ohms resistor, a 15.0 mH inductor and a 60.0 Hz 140.V rms source. Draw the reactance diagram for the circuit
A pipeline of 0.2m in diameter is flowing with water and ends in a constricted pipe of 0.1m diameter. find the velocity and the flow rate in the constricted section
A replace poker consists of a wrought iron rod, 50 cm long and 5 cm2 in cross-section, fused to a piece of cork 10 cm long, Estimate the temperature at the iron-cork boundary
Classical Mechanics: Projectile Motion, A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.80 m/s at an angle of 21.0° below the horizontal. It strikes the ground 3.00 s later.
A 1.2m long ramp is inclined at 13 degrees to the horizontal. A solid ball is released from rest at the to of the ramp. Find it's translational acceleration
A slide projector needs to create a 96.0 cm high image of a 2.20 cm tall slide. The screen is 301 cm from the slide. find focal length does the lens need
Consider the following two-step process. Heat is allowed to flow out of an ideal gas at constant volume so that its pressure drops from P1 = 2.5atm to P2 = 1.3atm, Calculate the total heat flow into or out of the gas
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