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1. Consider two masses, mp and mt, on a surface where friction is negligible. Assume that mt is initially at rest and that mass mp, having a velocity v = vpi i, collides with it. The diagram to the right shows the arrangement. After the collision, mt (the target) and mp (the projectile), travel at angles ? and ?, respectively.
Write the expression for conservation of momentum in the x- and y-directions.
What is the required average power.
What is the flow speed of the medicine through the needle. What is the least force the nurse needs to apply to the syringe.
If the coefficient of static friction is 0.500, what minimum force magnitude is required from the rope to start the crate moving
The drawing shows a triple jump on a checkerboard, starting at the center of square A and ending on the center of square B, What is the magnitude of the displacement of the colored checker during the triple jump
A person wearing a seat belt can withstand an acceleration of -310m/s squared. How thick should barriers be to carefully stop a car that hits a barrier at 120km/h.
Transvers waves: Speed of wave on streatched string. Two steel wires are stretched with the same tension. The first wire has a diameter of 0.610 mm and the second wire has a diameter of 0.910 mm
In uniform circular motion, a particle undergoes motion in a circular path with a constant speed. Which of the following statement is false and why?
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
A jogger travels a route that has two parts. The first is a displacement of 2.70 km due south, and the second involves a displacement that points due east.
A. how much time does the car take to travel between the two points? B. what is the displacement between the starting and ending points? C. what is the average velocity? D. What is the change in velocity? What is the average (vector) acceleration?
If the beam now strikes the top of a building standing directly at the water's edge, find out the height of the building.
An electron has an initial velocity of (15.0 j + 22.0 k) km/s and the constant acceleration of (3.00*10^12 m/s^22)i in a region in which uniform electric and magnetic fields are present. If B = (400 µT)i, find the electric field E.
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