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A 1055-kg van, stopped at a traffic light, is hit directly in therear by a 675-kg car traveling with avelocity of +2.45m/s. Assume that the transmission of the van is in neutral, thebrakes are not being applied, and the collision is elastic. What is the final velocity of each vehicle?
question a diffraction pattern forms when light passes through a single slit. the wavelength of the light is 665 nm.
A hospital nurse walks 25 m to a patient's room at the end of the hall in 0.50 min. She talks with the patient for 4.0 min, What was the nurse's average speed
A small electric car overcomes a 244N friction force when traveling 29.6km/hr. The electric motor is powered by ten 12.0V batteries connected in series and is coupled directly to the wheels whose diameters are 49.0cm. The 281 armature coils are re..
A sanding disk with rotational inertia I is attached to an electric drill whose motor delivers a torque of magnitude? calculate the angular velocity of the disk
It's your birthday, and to celebrate you're going to make your first bungee jump. How far are you above the water when the cord reaches its maximum elongation
Four positively charged particles enter magnetic field as shown. What would be the path of each particle in the field
a hammer slides down a roof that makes a 40 degree angle with the horizontal. what are the magnitudes of the components
a branch is wedged under a rock and rests on a small object. the small object is 1.5 m from the large rock and the branch is 11.0 m long. what force must be exerted on the smaller rock
Two identical mandolin strings under 200 N of tension are soundingtones with frequencies of 455 Hz. How many beats per second are heard
A covex lens of focal length 10 cm placed 40 cm in front of aconcave lens of focal length 25 cm.A small object is placed 20 cmin front of the convex lens calculate the location of the finalimage relative to the second lens. Include a ray diagram
In our Physics lab, a cart is attached to a failing fan which does not run at a constant speed. Find the power delivered to the particle when it is at x = 1.5 m
A person starts from rest at the top of a large, frictionless, spherical surface, and slides into the water below, At what angle does the person leave the surface
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