Physics, 22.10.2019 05:00 lujaynsparkles
A1900kg car starts from rest and drives around a flat 65-m-diameter circular track. the forward force provided by the car's drive wheels is a constant 1300 n. what is the magnitude of the car's acceleration at t=13s? what is the direction of the car's acceleration at t=13s ? give the direction as an angle from the r-axis. if the car has rubber tires and the track is concrete, at what time does the car begin to slide out of the circle?
Answers: 2
Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
Answers: 3
Physics, 22.06.2019 10:00
The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.
Answers: 2
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 22.06.2019 16:40
Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
Answers: 3
A1900kg car starts from rest and drives around a flat 65-m-diameter circular track. the forward forc...
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