Aconstant force acts on an object as it moves along a straight-line path. if the object's displacement is d⃗ =1.0i^ + 4.3j^m, calculate the work done by f⃗ using these alternate ways of writing the dot product:

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

Rohit is trying to tune an instrument

Which notation is used to represent an alpha particle? a. b. c. d.