Physics, 12.02.2021 18:50 uniqueray33
The fastest production car can accelerate from 0 km/hr to 230 km/hr in 10.2 seconds over the distance of 0.400 km. What is the average speed of the car in km/s over .400 km?
A-0.024 km/hr
B-0.039 km/hr
C-0.392 km/hr
D-230 km/hr
Answers: 1
Physics, 22.06.2019 20:40
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 740 n/m. it is initially at rest on an inclined plane that is at an angle of theta= 26 with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is uk = 0.17. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. the block's initial mechanical energy is 9.472 j.b. if the spring pushes the block up the incline, what distance l in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 3
Physics, 22.06.2019 23:10
What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon
Answers: 1
Physics, 23.06.2019 05:00
Consider the phase change taking place in the picture. you could use all but one statement to describe what is happening here. that is: a) temperature is increasing. b) kinetic energy is increasing. c) the space between the particles remains the same. d) the attractive force between the particles is decreasing.
Answers: 1
The fastest production car can accelerate from 0 km/hr to 230 km/hr in 10.2 seconds over the distanc...
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