Physics, 27.07.2019 08:50 amariciara05
Aball is thrown horizontally at a speed of 24 m/s from the top of a cliff. if the ball hits the ground 4.0 s later, approximately how high is the cliff?
Answers: 1
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
Answers: 1
Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Aball is thrown horizontally at a speed of 24 m/s from the top of a cliff. if the ball hits the grou...
Mathematics, 10.07.2019 00:50
English, 10.07.2019 00:50
Mathematics, 10.07.2019 00:50
Mathematics, 10.07.2019 00:50
History, 10.07.2019 00:50
Mathematics, 10.07.2019 00:50
Physics, 10.07.2019 00:50
Chemistry, 10.07.2019 00:50
English, 10.07.2019 00:50
History, 10.07.2019 00:50