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A proton (mass 1.67 x 10^-27 kg) is moving at 1.30 x 10^-6 m/s directly toward a stationary helium nucleus (mass 6.64 x 10-27 kg ). After a head-on elastic collision, what is the proton's velocity?After a head-on elastic collision, what is the helium's velocity?
A computer disk is 8.0 in diameter. A reference dot on the edge of the disk is initially located at the disk accelerates steadily for 0.50, reaching 2000.
If a simple pendulum of mass 1.059kg and length 9.99cm is moving at 101 cm/s as it passes through the low point of its arc, What is the tension in the string of the pendulum
An accelerator produces a beam of protons with a circular cross section that is 2.0 mm in diameter and has a current of1.1 mA. What is the number density of the protons in the beam
A Carnot engine absorbs 4.65 x 103 J from the hot reservoir and expels 3.12 x 103 J to the cold reservoir during each engine cycle. what is the temperature of the hot reservoir
A cylindrcal waste basket with a .300 m radius and .150 m height is properly standing on the floor. Find the total flux of the electric field through the sides and bottom
The speed limit for both roads is 35 mi/h, and the driver of the northward-moving vehicle claims he was within the speed limit when the collision occurred.
What is the coefficient of kinetic friction between the crate and the floor. what height will the stream of water strike.
Halley's comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being 0.59 A.U. what is its speed when it is farthest from the Sun
Consider an RLC circuit with driving emf amplitude Εm = 10 V, resistance R = 12 Ω, inductance L = 1.0 H, Find the amplitude of the voltage across the inductor at resonance
A 3-kilogram block slides along on a frictionless surface at 6 m/s north and strikes an obstacle that exerts an impulse on the block of 9 N-s to the south
By landing properly and on soft ground (and by being lucky!), How fast would a person be falling when he reached the ground if there were no air drag
An alpha particle (m = 6.7 x 10^-27kg, q = +3.2 x 10^-19C) has a speed of 30km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out the electric potential difference.
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