Answers: 1
Physics, 22.06.2019 08:00
Which notation is used to represent an alpha particle? a. b. c. d.
Answers: 1
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaΟv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and Ο is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and Ο = 1.2 kg/m3.
Answers: 2
Physics, 23.06.2019 03:00
A75-hp (shaft output) motor that has an efficiency of 91.0 percent is worn out and is to be replaced by a high-efficiency motor that has an efficiency of 95.4 percent. the motor operates 4368 hours a year at a load factor of 0.75. taking the cost of electricity to be $0.12/kwh, determine the amount of energy and money saved as a result of installing the high-efficiency motor instead of the standard motor. also, determine the simple payback period if the pu
Answers: 1
Balance the following equation fe203+hcl fecl3+h20...
Computers and Technology, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
History, 20.01.2021 03:40
Business, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40
Biology, 20.01.2021 03:40
Mathematics, 20.01.2021 03:40