Wednesday
May 22, 2013

# Posts by DJ

Total # Posts: 203

Physics
to get T would you just do 69(9.8)

physics
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.15 and the push imparts an initial speed of 3.9 m/s?

physics
A box weighing 69 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs one of the following: a)...

Physics - HELP please
A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35. Determine the normal force that the table exerts on the 24.0 kg box. Determine the normal force that the 24.0 kg box exerts on the 13.0 kg box.

Physics - HELP please
A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35. Determine the normal force that the table exerts on the 24.0 kg box. Determine the normal force that the 24.0 kg box exerts on the 13.0 kg box.

physics
what if there are no passengers? for max force i got 330 and for the min force i got 165

physics
An elevator (mass 4125 kg) is to be designed so that the maximum acceleration is 0.0400g. What is the maximum force the motor should exert on the supporting cable? What is the minimum force the motor should exert on the supporting cable?

physics - forces
A person pushes a 16.0 kg lawn mower at constant speed with a force of 70.0 N directed along the handle, which is at an angle of è = 45.0° to the horizontal. Calculate the force the person must exert on the lawn mower to accelerate it from rest to 1.2 m/s in 2.0 sec...

physics
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The plane is traveling horizontally with a speed of 280 km/h (77.8 m/s). (b) Suppose, instead, that the plane releases the supplies a horizontal distance of 425 m in advance of th...

physics
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The plane is traveling horizontally with a speed of 280 km/h (77.8 m/s). (b) Suppose, instead, that the plane releases the supplies a horizontal distance of 425 m in advance of th...

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