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1 53 WA e exerts a constant force of magnitude 7.9 x 10 N to accelerate...
The engine of a locomotive exerts a constant force of 6.6 105 N to accelerate a train to 72 km/h. Determine the time (in min) taken for the train of mass 1.7 107 kg to reach this speed from rest.
The engine of a locomotive exerts a constant force of 7.9x10^5 N to accelerate a train to 80 km/h. Determine the time (in min) taken for the train of mass 1.2x10^7 kg to reach this speed from rest. *I need the answer in minutes. I was calculating 5.06 minutes but it says that is incorrect.
A tugboat tows a ship with a constant force of magnitude F1. The increase in the ship's speed during a 10 s interval is 2.0km/h. When a second tugboat applies an additional constant force of magnitude F2 in the same direction, the speed increases by 12 km/h during a 10 s interval. How do the magnitudes of F1 and F2 compare? (Neglect the effects of water resistance and air resistance.) My Notes Ask Your Teacher 0/1 points | Previous Answers...
1. A rocket with a mass of 2.75 x^ 10 kg exerts a vertical force of 3.75 x ^10 N in the gases it expels. Determine your speed after 8.0s.
A flee jumps by exerting force of 1.05 x 10-5 N straight down on the greund. A breeze blowing on the flea parallel to the ground exerts a force of 0.460 x 10 N on the fea. Find the direction and magnitude of the acceleration of the flee if its mass " SA。x10-7 kg Do not neglect the gmitational free. (Assure that the een blow, in the .rdeton and that the y-direction is up) magnitude 0.0 ms Xcounterdleckwise from the...
1.5/2 points 1 Previous Answers OSUniPhys1 15.1.WA.001.Tutornal You have a two-wheel trailer that you pull behind your ATV. Two children with a combined mass of 64.7 kg hop on board for a ride through the woods and the springs (one for each wheel) each compress by 5.17 cm. When you pull the trailer over a tree root in the trail, it oscillates with a period of 1.14s. Determine the following. My Note s Ask Your Te (a) force constant of...
A Review Part A If the motor exerts a constant force of 300 N on the cable, determine the speed of the 30-kg crate when it travels s = 10 m up the plane, starting from rest. The coefficient of kinetic friction between the crate and the plane is uk = 0.3 (Figure 1) Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 п μΑ ? M m V= 39 s = 10...
In the figure, a constant horizontal force F app of magnitude 10 N is applied to a wheel of mass 10 kg and radius 0.17 m. The wh heel rolls smoothly on the horizontal surface, and the rotation axis through its center s as magnitude .73 m/5. (a) What is the magnitude of the rictional force on the whed' (o) What i he rotationa nerni o nhet bu app (a) Number Units Units (b) Number
please show thorough work c. 2.91 x 10"N, same with the electric field d.2.91 x 10°N, opposite to the electric field . 3. A solid spherical mass M-58.6 kg and radius 13.2 cm is concentric with a thin spherical shell M -86.4 kg and radius 32.3 cm as shown. A point mass m - 245 grams is at a distance of 22.8 cm from the center of the solid sphere. Determine the magnitude of the gravitational force on m. a....
8. + 0.5/1 points Previous Answers OSUniPhys1 15.5.WA.046. My Note A vertical spring-mass system undergoes damped oscillations due to air resistance. The spring constant is 2.50 x 10 N/m and the mass at the end of the spring is 15.0 kg. (a) If the damping coefficient is b = 4.50 N. s/m, what is the frequency of the oscillator? 6.498 ✓ Hz (b) Determine the fractional decrease in the amplitude of the oscillation after 7 cycles. 316 x What is...