009 10.0 points A racing car has a mass of 1810 kg The acceleration of gravity...
009 10.0 points A racing car has a mass of 1810 kg. The acceleration of gravity is 9.8 m/ What is its kinetic energy if it has a speed of 131 km/h? Answer in units of J. 010 10.0 points Calculate the speed of an 7.4 x 101kg airliner with a kinetic energy of 1.0 x 10J. Answer in units of m/s.
011 10.0 points What is the speed of a 0.146 kg baseball if its kinetic energy is 110J? Answer in units of m/s. 012 10.0 points Consider a compact car that is being driven at 88 km/h. The acceleration of gravity is 9.8 m/s From what height would the car have to be dropped to have the same kinetic energy? Answer in units of m.
007 10.0 points A 6 kg bowling bal s lted 2 m into astorage rack The acceleration of gravity is 9.8 m/s Calculate the increase in the ball's potential energy Answer in units of J 008 10.0 points Shawn and his bike have a total mass of 0.6kg. Shawn rides his bike 2 km in 14.5 min at a constant velocity The acceleration of gravity is 9.8 m/s What is Shawn's kinetic energy? Answer in units of J.
016 (part 1 of 2) 10.0 points A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed shown in the figure below. The crate is pulled a distance of 9.28 m on the incline by a 150 N force. The acceleration of gravity is 9.8 m/s2 1.62 m/s 150 N 11 kg % . H 0.346 : 20° a) What is the change in kinetic energy of the crate?...
009 10.0 points A weight (with a mass of 100 kg) is suspended from a point at the right-hand end of a uni form boom with a mass of 26 kg. A horizontal cable at an elevation of 5 m is attached to the wall and to the boom at this same end point The boom is also supported by a pivot (at the origin of the coordinate axes) on the same wall 10 7 6 т 26 kg 100...
010 10.0 points Given: G=6.67259 x 10- N mº/kg The acceleration of gravity on the surface of a planet of radius R=3830 km is 7.33 m/s². What is the period T of a satellite in circu- lar orbit h= 7851.5 km above the surface? Answer in units of s. la- he
004 (part 1 of 3) 10.0 points A 0.878 kg particle has a speed of 4.8 m/s at point A and kinetic energy of 6.4 J at point What is its kinetic energy at A? Answer in units of J. 005 (part 2 of 3) 10.0 points What is the particle's speed at B? Answer in units of m/s. 006 (part 3 of 3) 10.0 points What is the total work done on the particle as it moves from point...
02 (part 1 of 2) 10.0 points You push a 60.4 kg crate at a constant speed of 2.03 m/s across a horizontal floor with coefficient of kinetic friction 0.14. The acceleration of gravity is 9.8 m/s2 At what rate is work being done on the crate by you? Pa Answer in units of W. 003 (part 2 of 2) 10.0 points At what rate is energy being dissipated by the frictional force? Answer in units of W.
Part 1,2 and 3 004 (part 1 of 3) 10.0 points A 0.657 kg particle has a speed of 2.6 m/s at point A and kinetic energy of 7 J at point B. What is its kinetic energy at A? Answer in units of J. 005 (part 2 of 3) 10.0 points What is the particle's speed at B? Answer in units of m/s. 006 (part 3 of 3) 10.0 points What is the total work done on the particle...
009 (part 1 of 2) 10.0 points A civil engineer is asked to design a curved section of roadway that meets the following conditions: With ice on the road, when the coefficient of static friction between the road and rubber is 0.24, a car at rest must not slide into the ditch and a car traveling less than 70 km/h must not skid to the outside of the curve. The acceleration of gravity is 9.81 m/s2. At what angle should...