Physics, 28.11.2019 00:31, alexandria3498
Two kids create a makeshift seesaw by setting a 4-m long uniform plank on a saw horse. the saw horse is 0.5 m to the left of the center of mass of the plank. the child of mass m1 = 42 kg sits at the left end of the plank. the child of mass m2 = 31 kg sits 1 m to the right of the center of mass of the plank. what is the mass of the plank?
Answers: 1
Physics, 21.06.2019 17:20, issaaamiaaa15
An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?
Answers: 1
Physics, 22.06.2019 22:30, allysoftball4878
Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.
Answers: 1
Physics, 22.06.2019 22:30, aesthetickait
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
Answers: 3
Two kids create a makeshift seesaw by setting a 4-m long uniform plank on a saw horse. the saw horse...
Mathematics, 31.07.2020 21:01