Use the following scenario for questions 1-2. A 61.0 kg box is sitting at rest. In order to change the box's state of motion, Jamie must apply
75.1 Newtons of force on the box.
1. Which of the following represents a possible value for the force of static friction when
Jamie applied 75.1 Newtons of force on the box?
A. 71.9 N
B. 75.1 N
C. 85.3 N
D. 133 N
2. How much magnitude of force does the box exert back on Jamie's hand?
A. 4400 N
B. 1.20 N
C. 75.1 N
D. 0.00 N

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?