Geography, 04.04.2021 14:00 dilibngalmira
Dancers have to learn many skills including how land correctly. A dancer of mass 50 kg leaps into the air and lands feet first on the ground .She lands on the ground with a velocity of 5metres per second. As she lands, she bends her knees and comes to a complete stop in 0,2 seconds.
A. calculate the momentum with which the dancer reaches the ground
B. Define impulse
C. Calculate the magnitude of the net force acting on the dancer as she lands​
Answers: 3
Geography, 23.06.2019 01:00
5. what is a red giant? can our sun become a red giant? why or why not?
Answers: 2
Geography, 23.06.2019 19:00
To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation
Answers: 2
Geography, 24.06.2019 01:30
All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water
Answers: 1
Dancers have to learn many skills including how land correctly. A dancer of mass 50 kg leaps into th...
English, 24.06.2019 14:00
Mathematics, 24.06.2019 14:00
Biology, 24.06.2019 14:00
Biology, 24.06.2019 14:00
Chemistry, 24.06.2019 14:00
Computers and Technology, 24.06.2019 14:00
Mathematics, 24.06.2019 14:00
English, 24.06.2019 14:00
Social Studies, 24.06.2019 14:00
English, 24.06.2019 14:10