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A constant force is applied to an object, causing the object to accelerate at 10m/s^2.
a) What will the acceleration be if the force is halved?
b) What will the acceleration be if the object's mass is halved?
c) What will the acceleration be if the force and the object's mass are both halved?
d) What will the acceleration be if the force is halved and the object's mass is doubled?
A ladder 6.10 m long leans against the side of a building. If the ladder is inclined at an angle of 76° to the horizontal, what is the horizontal distance from the bottom of ladder to the building.
Light passes through a 230 lines/mm grating and is observed on a 1.0m wide screen located 1.3m behind the grating. Three bright fringes are seen on both sides of central maximum.
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