What is necessary condition for the conservation of momentum?

Which data set has the smallest standard deviation? A. 1,6,19,20,85,29,0 B. 22,22,23,23,22,22,23 C. 6, 7, 6, 7, 1004, 980, 350 D. 99, 199, 299, 55, 44,33, 22

About working of geyser and prepare a report

A force that acts on rock to change its shape or volume is called a. an aftershock. b. friction. c. liquefaction. d. stress.

Consider a uniformly charged non-conducting semicircular arc with radius r and total negative charge Q. The charge on a small segment with angle θ is labeled δq. Determine the magnitude of the electric field. The total charge is 53.

A racquetball strikes a wall with a speed of 30 m/s and rebounds with a speed of 26 m/s. The collision takes 20 ms. What is the average acceleration of the ball during collision? a. zero b. 1500 m/s2 c. 1300 m/s2 d. 200 m/s2 e. 2800 m/s2

How much force is needed to stretch a spring 1.2 m if the spring constant is 8.5 n/m? 7.1 n 7.3 n 9.7 n 10.2 n

What forces are equal and opposite sides

B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihood of galactic collisions in comparison to the likelihood of stellar collisions.

Period vs string length String length (cm) 100cm, 75cm, 50cm, 25cm Each one below matches the strength length above time 10 periods (s) - trial 1 time for 10 periods (s) - trial 2 time for 10 periods (s) - trial 3

How could you determine the instantaneous speed during a trip?