Physics, 16.12.2020 16:50 drewdean5545
A 1.2-kg object moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges with a speed of 6.0 m/s in the opposite direction. If the object is in contact with the wall for 2.0 ms, what is the magnitude of the average force on the object by the wall?
a. 9.8 kN.
b. 8.4 kN.
c. 7.7 kN.
d. 9.1 kN.
e. 1.2 kN.
Answers: 3
Physics, 23.06.2019 05:00
The voltmeter reads 117 v and ammeter reads 0.13 a .if the resistance of ammeter and voltmeter are 9 kilo ohm and 0.015 ohm respectively ,find the value of r. 3marks
Answers: 3
Physics, 23.06.2019 13:30
How many joules will be lost by 150 g of water if it is cooled from 90oc to 5oc?
Answers: 1
Physics, 23.06.2019 14:30
Two atoms with different mass number but the same atomic number are called a) elements. b) ions. c) isotopes. d) nuclei.
Answers: 2
Physics, 23.06.2019 15:00
What is the rapid growth rate of a population after a period of slow growth called? a. exponential growth b. overconsumption c. a point source d. the carrying capacity
Answers: 2
A 1.2-kg object moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges with...
Mathematics, 10.11.2019 07:31
Mathematics, 10.11.2019 07:31
Biology, 10.11.2019 07:31
Mathematics, 10.11.2019 07:31
Physics, 10.11.2019 07:31
English, 10.11.2019 07:31
Mathematics, 10.11.2019 07:31
Mathematics, 10.11.2019 07:31
Biology, 10.11.2019 07:31
Mathematics, 10.11.2019 07:31