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Q. A 65.0 kg person throws a 0.045kg snowball forward with a ground speed of 30.0 m/s. A second person, with a mass of 60.00 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.5m/s and second person is initially at rest. What are the velocities of the two people after the snowball is swapped? Disregard friction between the skate and the ice.
A uniform electric field exists in the region between two oppositely charged parallel plates 1.67cm apart. A proton is released from rest at the surface of the positively charged plate and strikes the surface of the conflicting plate in a time int..
In a head-on collision, a car stops in 0.29 {s} from the speed of 28 {m/s}. The driver has a mass of 78 {kg}, and is, fortunately, tightly strapped into his seat. what force is applied to driver during that fraction of a second.
A gas has a volume of 3m3 when it is at the temperature of 23K. It's temperature now hoes up to 46K. WHat is it's new volume.
It stops 90 cm from where you free it. The spring steady is 370 N/m. What is the coefficient of kinetic friction between the block and the table.
If a metric ton is 1.000 x10^e3 kg, how many 74 kg people can safely occupy an elevator that can hold a maximum mass of accurately 1 metric ton.
One displacement vector A has magnitude of 2.78 km and point due north. Another displacement vector B has a magnitude of 7.40 km and also points due north. Provide diagrams and calculate the magnitude and direction of A+B, B-A, A-B.
A liquid with density of 1.65 x10 cubed kg/m cubed flows through 2 horizontal sections of tubing joined end to end. in the first section, the cross-sectional area is 10 cm2.
A 10 μF capacitor is charged to 15 V. It is next connected in series with an uncharged 5.00-μF capacitor. The series combination is finally connected across a 50.0-V battery, as diagrammed. Find out the new potential differences across the 5-μF an..
Find the difference in decibel levels β1 & β2 of a sound source is related to the ratio of its distances r1 & r2 and find the average power generated by the horn.
The He-Ne laser shines through a slit in the diffraction plate that is 50 cm from the screen. What fringe spacing would you expect for slits E and F if the stated slit spacing is correct? What difference must there be between the patters produced ..
What is the magnitude of the force on the bead. find the charge of the particle.
At t=0, a proton is moving with the speed of 5.5×10^5 m/s at an angle of 30 degrees from the x-axis, as shown in the figure. A magnetic field of magnitude 1.5 T is pointing in the positive y-direction. What would be the y-coordinate of the proton ten..
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