Atoy rocket is launched straight up by using a spring. the rocket is initially pressed down on the spring so that the spring is compressed by 9 cm. if the spring constant is 1050 n/m and the mass of the rocket is 50 g, how high will the rocket go? you may neglect the effects of air resistance.
Answers: 1
Physics, 22.06.2019 02:50
20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.
Answers: 3
Physics, 22.06.2019 09:50
Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
Answers: 1
Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
Answers: 1
Atoy rocket is launched straight up by using a spring. the rocket is initially pressed down on the s...
Mathematics, 14.12.2021 03:00
Physics, 14.12.2021 03:00
Mathematics, 14.12.2021 03:00
Mathematics, 14.12.2021 03:00
Mathematics, 14.12.2021 03:00
Business, 14.12.2021 03:00
Mathematics, 14.12.2021 03:00