2: A 100 kg sled, initially at rest, is being pulled by two forces as shown. The upper force is 180 N at an angle of 35° above the dotted line, the lower force is 80 N at 20° below the dotted line. Assume
the surface is frictionless
180 N
135.
80N
A: Calculate
I
1) Acceleration in the x-direction, ax
2) Acceleration in the y-direction, ay.
3) Net acceleration.
B:
What is the final speed after 8 sec?

What are the three ways that an object can accelerate

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f