Four students measured the acceleration of gravity. The accepted value for their location is 9.78 m/s2. Which student's measurement has the largest
percent error?
A. Student 4: 9.76 m/s2
O B. Student 3: 9.80 m/s2
O C. Student 1: 9.87 m/s2
D. Student 2: 9.79 m/s2

Aforce of 34n stretches a very light ideal spring 0.73 m from equilibrium, what is the force constant (spring constant) of the spring? (a) 47n/m (b) 38n/m (c) 53n/m (d) 25n/m

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?