Physics, 20.09.2020 03:01 owenbarrows
In a friendly soccer game, you hit a ball with a speed of 13 m/s at an angle of 24 degrees above the horizontal. (A) How long does it take for the ball to reach the goal if it is 4.2 meters away? (B) How high is the ball when it reaches the goal?
Answers: 1
Physics, 21.06.2019 22:30
Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesnβt slow down or speed up, what is his speed?
Answers: 1
Physics, 22.06.2019 15:50
An object with initial temperature 130 β f is submerged in large tank of water whose temperature is 50 β f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = β 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
Physics, 22.06.2019 16:50
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1Γ105 wm-2k-1 and tβ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
Physics, 22.06.2019 19:30
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
Answers: 1
In a friendly soccer game, you hit a ball with a speed of 13 m/s at an angle of 24 degrees above the...
Mathematics, 01.07.2019 07:00
French, 01.07.2019 07:00
Mathematics, 01.07.2019 07:00
Social Studies, 01.07.2019 07:00
History, 01.07.2019 07:00
Mathematics, 01.07.2019 07:00
Mathematics, 01.07.2019 07:00
Health, 01.07.2019 07:00