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Question1
Which of the follow describes possible scenarios?
A) An object has zero instantaneous velocity and non-zero acceleration.
B) An object has negative acceleration and is speeding up.
C) An object has positive acceleration and constant velocity.
D) An object has positive velocity and zero acceleration.
E) An object has increasing positive position and negative velocity.
F) An object has decreasing positive position and negative acceleration.
Question2
Two ropes are tied to a car with a forces pulling on each rope as follows f1=20.0n 30 degrees, f2 =40.0n 191 degrees using the component process of vectors addition, compute the resultant force on the car. Give the answer in polar form.
how to Calculate the acceleration of the system. Assume the magnitude of the acceleration is the same during starting and stopping.
If I short out a D cell and draw a current of 0.5 A for a minute, how many coulombs of charge move through the circuit
If it takes him 0.200 s to get brakes on and he is 20, from the intersection when he sees the light, will he be able to stop in time.
Using the capacitance determined in part (a),which equals 21 micro F, compute the current in the circuit 6.6 ms after the switch is closed. Assume that the capacitor is uncharged initially and that the emf of the battery is 9.0 {rm V}. Resistance= ..
Two long straight parallel wires are fixed . Point p is in between the wires. Point p is 0.5 maway from the wire with 1A and 1m away from the wire with 3A . The currents go in the same direction.
A support strap is attached to the patient's ankle 13.0 from the bottom of his foot. Illustrate what weight is needed to support the leg horizontally?
A runaway, 400-kg wagon enters a cornfield with a velocity of 12 m/s and eventually comes to rest. What work was done on the wagon in kJ
As a baseball is being caught, its speed goes from 25 to 0 m/s in 0.008 seconds. What is the force acting on the ball
If 15 g of radon gas with a half-life of 4 days is present in a balloon at t = 0, what is the mass of radon gas present
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How long will the mortar shell remain in the air
As you bounce a tennis ball of mass 7.70 10-2 kg off a wall, its velocity changes from vx = 10.8 m/s to vx = -8.3 m/s. Find the impulse applied to the ball
A ball of clay weighing 0.5 kg is thrown at a pendulum bob at rest weighing 4-kg. What is the velocity of the pendulum bob
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