Physics, 11.11.2020 17:50 EmTerrell2933
Air at a temperature of 20 °C is flowing with a speed 160 m/s. A bullet is fired into the air stream with a speed of 750 m/s. The direction of the bullet is opposite to that of the air. Calculate the following:. a. The Mach number of the air flow. b. The Mach number of the bullet if it were fired in still air. c. The Mach number of the bullet with respect to the moving air.
Answers: 3
Physics, 21.06.2019 17:20
Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?
Answers: 3
Physics, 22.06.2019 06:00
(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.
Answers: 1
Physics, 22.06.2019 19:00
If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?
Answers: 1
Physics, 22.06.2019 22:00
If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?
Answers: 1
Air at a temperature of 20 °C is flowing with a speed 160 m/s. A bullet is fired into the air strea...
English, 16.04.2020 22:48
English, 16.04.2020 22:48
English, 16.04.2020 22:48
Physics, 16.04.2020 22:48