Question 7 1 pts
Hopper who has a mass of 0.1 kg is soundly defeating Spider Man and Captain America.
Flik the ant comes charging up and Hopper jumps away in terror. Hopper has a velocity
of 3 m/s straight up to escape from Flik and Hopper takes 0.1 seconds to jump away.
Flik does some thinking. He figures out the change in momentum of Hopper is 0.3 kg
m/s and the change in time is 0.1 seconds. Help Flik by telling him how many Newtons
of force Hopper jumped way with.
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03

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

In the future, people will only enjoy one sport: electrodisc. in this sport, you gain points when you cause metallic discs hovering on a field to exchange charge. you are an electrodisc player playing the popular four disc variant. the disks have charges of qa = −8.0 µc, qb = −2.0 µc, qc = +5.0 µc, and qd = +12.0 µc. (1) you bring two disks together and then separate them. you measure the resulting charge of these two disks and find that it is +5.0 µc per disk. which two disks did you bring together? (a) a and b (b) a and c (c)a and d (d)b and c(e) b and d (f) c and d. (2) you bring three disks together and then separate them. you measure the resulting charge of these three disks and find that it is +3.0 µc per disk. which three disks did you bring together? a, b, and c (a) a, b, and d (c) a, c, and d (d) b, c, and d. (3) given the resulting charge of each disk measured in (b) is +3.0 µc, how many electrons would you need to add to a disk of this charge to electrically neutralize it? electrons