1)A chocolate bar measures 10 cm long by 2 cm wide and is 2 cm thick
a)Calculate the volume of one bar.
b)How many bars each 2 cm long, 2 cm wide and 2cm thick have the same total volume?
c)A pendulum makes 10 complete oscillations in 8 seconds. Calculate the time period of the pendulum
Answers: 2
Physics, 22.06.2019 02:00
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 2
Physics, 22.06.2019 21:00
Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
Answers: 1
Physics, 23.06.2019 01:00
Which statement is true about an object that is moving in a circular motion due to centripetal force, f, when the radius of its circular motion is doubled? the new force then becomes equal to 2f the new force then becomes equal to f the new force then becomes equal to f/2 the new force then becomes equal to f2 the new force then becomes equal to 1/f
Answers: 1
1)A chocolate bar measures 10 cm long by 2 cm wide and is 2 cm thick
a)Calculate the volume of one...
Biology, 06.10.2019 11:30
Mathematics, 06.10.2019 11:30
Mathematics, 06.10.2019 11:30
History, 06.10.2019 11:30
Mathematics, 06.10.2019 11:30
Geography, 06.10.2019 11:30
Biology, 06.10.2019 11:30
Social Studies, 06.10.2019 11:30
English, 06.10.2019 11:30