14. After preparing the specimen. Where in the microscope you will place the object (specimen) to be observed. A Stage
B. Stage Clips
C. Scanner
D. Objectives
15. John is carrying the microscope. In which part he should hold on in carrying the microscope
A Arm and Base
B. Body Tube
C. Arm only
D. Base only​

28. a stone is projected at a cliff of height h with an initial speed of 42.0 mls directed at angle θ0 = 60.0° above the horizontal. the stone strikes at a, 5.50 s after launching. find (a) the height h of the cliff, (b) the speed of the stone just before impact at a, and (c) the maximum height h reached above the grou

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?