Physics, 20.09.2020 06:01 iyanistacks50
5. A projectile is fired in Earth's gravitational field with a horizontal velocity of y = 9.00 m/s. b. How far does the projectile fall in the vertical direction in 0.550 s?
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Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)
Answers: 1
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Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
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Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
Answers: 1
Physics, 23.06.2019 09:00
Which statements best describe medical uses for radioactive isotopes? check all that apply. radioactive isotopes are used to detect medical problems. high-energy gamma rays are injected into the body. radioactive isotopes are used to treat some diseases. radiation is used to kill cancer cells. radioactive isotopes are directed at tumors from outside the body.
Answers: 1
5. A projectile is fired in Earth's gravitational field with a horizontal velocity of y = 9.00 m/s....
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