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A 50g marble moving at 2.2m/s strikes a 30g marble at rest. Assume the collision is perfectly elastic and the marbles collide head-on.
A. What is the speed of the first marble immediately after the collision?
B. What is the speed of the second marble immediately after the collision?
The electric field everywhere on the surface of a thin, spherical shell of radius 0.785 m is of magnitude 850 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface? Please show work.
A string 1.50 m long will break if the tension in it exceeds 2X10^2N. How fast (in m/s) can a rock of mass 1.50 kg be whirled in a circular horizontal path if the string is not to break? Assume the rock moves on a smooth horizontal surface (No fri..
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 1.60 cm). Taking q = 8.20 µC, calculate the electric potential at point A
Standing waves on a 1.7m -long string that is fixed at both ends are seen at successive frequencies of 36 Hz and 54Hz. What is the fundamental frequency
What is the maximum reaction time. A 1.52 wide, 1.50 high, 1500 car hits a very slick patch of ice while going 21.0 .If friction is neglected, how long will it take until the car's speed drops to 14.
A point charge with q1 = +1.9 C is located at x = ?3.0 m, y = 0, and a second point charge with q2 = +6.5 C is at x = +1.0 m, y = +2.0 m. (a) What is the force exerted by q1 on q2? magnitude N direction ° counterclockwise from the +x-axis (b) What..
A 24.0V battery is in series with a switch, a 0.30Hinductor, and a 24? resistor. Find the potential differences across the inductor at t=3
Find the resultant forces and moments at wrist, biceps muscle force, elbow and shoulder and joint reaction force using 2-D static analysis.
Black oil reservoirs at 250 deg F+, can there be oil cooking going on releasing some of the light and or intermediats that result in some disequilibreum under reservoir conditions (Pb vs depth could be as high as 70 psi/ft)
The density of water in Earth's hydrosphere and the density of rocks in the crust are both lower than the average density of the planet as a whole
A truck of mass 7,000 kg is traveling along a level road at an initial speed of 20 m/s. Find the total work done on the truck
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