We need to determine the kinetic energy of a car travelling with a velocity of v = 12.5 m/s if a car has a mass of m - 1600 kg
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- The combined mass of a car and its passengers travelling at 72 km/hr is 1500 kg. Find the kinetic energy in Joules of this combined mass. O 600000 O 1500 O 300000 O 150000A car having a mass of 1000 kg is traveling at 100 kph. Calculate its kinetic energy. v = 100 kph m = 1000 kgCar A is moving at a rate of 3 m/s when it collided with stationary Car B that has a mass of 1,500 kg. If the speed oh the two cars became 0.735 m/s, what amount of energy transformed to heat after the collision? Assume the cars moved as one after the collision. include figure and FBD.
- Problem 1: The figure shows a gas contained in a vertical piston- cylinder assembly. A vertical shaft whose cross-sectional area is 0.8 cm² is attached to the top of the piston. The total mass of the piston and shaft is 25 kg. While the gas is slowly heated, the internal energy of the gas increases by 0.1 kJ, the potential energy of the piston-shaft combination increases by 0.2 kJ, and a force of 1334 N is exerted on the shaft as shown in the figure. The piston and cylinder are poor conductors, and friction between them is negligible. The local atmospheric pressure is 1 bar and g=9.81 m/s². Determine, (a) the work done by the shaft, (b) the work done in displacing the atmosphere, and (c) the heat transfer to the gas, all in kJ. F = 1334 N -A=0.8 cm² Patm = 1 bar Gas -D = 10 cmA 150-g ball has a velocity of v = (2i + 6/) m/s. Calculate its kinetic energy. 37The rotor of an electric motor has an angular velocity of 3570 rpm when the load and power are cut off. The 65-kg rotor, which has a centroidal radius of gyration of 175mm, until it reaches the maximum speed of 5250 rpm. Knowing that the kinetic friction results in a couple of magnitude 4.5 N.m exerted on the rotor, determine the number of revolutions that the rotor executes, before achieving its maximum speed and the time it took.
- Question: Determine the kinetic energy of a 25.0 kg mass moving at 61.3 m/s.A 200 g apple is thrown from the edge of a tall building with an initial speed of 20 m/s. What is the change in kinetic energy of the apple in Joules if it strikes the ground at 50 m/s? O 3 O 210 O 420 O 300A jet is moving 30.5 m/s velocity. At the certain moment, it is deflected upward by a curved wing with a 60° angle. The diameter is 5.08 cm and the density is 1000 kg/m3. Calculate the force on the wing.
- A solid sphere (diameter 6 mm) is rising through oil (mass density 900 kg/m³, dynamic viscosity 0.7 kg/m-s) at a constant velocity of 1 cm/s. What is the specific weight of the material from which the sphere is made? (Take g = 9.81 m/s²)5. What would be the mass of block (in kg) which is moving at 44 ft/s if its kinetic energy is 120250 ft- Ib.A column with an internal diameter of 50 cm and a height of 2 m is packed with spherical particles 3 mm in diameter so as to form a packed bed with ω= 0.45. Estimate the power required to pump a Newtonian liquid (μ = 70 × 10−3 kg/m·s; ρ = 1200 kg/m3) through the packed bed at a mass flow rate of 1.2 kg/s.