Physics
A 79.0-kg fullback running east with a speed of 4.00 m/s is tackled by a 93.0-kg opponent running north with a speed of 3.00 m/s. (a) Why does the tackle constitute a perfectly inelastic collision? (b) Calculate the velocity of the players immediately after the tackle. magnitu...
Physics
Question Part Points Submissions Used A 45.0-kg girl is standing on a 160-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.44 m/s to the right...
Physics
The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 22.0 m/s stops uniformly in 1.20 m, how long does the collision last? s (b) What is the magnitude of the average force on the ...
Physics
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0037 s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 2.7 102 ft/s, find the average force e...
critical thinking please help
True or false: It is the case that if an argument is inductively correct then the conclusion is factually correct as well
cell bio
Sketch a transition phase diagram with two curves; one for C18:0 and a second for C18.1. Label X and Y. Add a third curve for what you might predict would happen if a nonionic detergent like Triton X-100 were present in the C18:0 preparation
cell bio
NTP hydrolysis is used in two ways to drive directionality of the targeting and translocation phases of secretion. What are the principles of these two mechanisms?
Calculus
f'= 2x+5 F'(1) is 7
Chemistry
I'm adding NaOH
Chemistry
Calculate the volume of 2 M acetic acid needed to prepare 50 ml of 0.1 M acetate buffer.
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