A bird flying at 8 km/h in a 6-km/h crosswind has a resultant speed of

Two pendulum bobs have equal masses and lengths (8.100 m). bob a is initially held horizontally while bob b hangs vertically at rest. bob a is released and collides elastically with bob b. how fast is bob b moving immediately after the collision?

A weight of 18,000 lb is supported on a rectangular base plate that is 9 in. wide and 2 ft long. the base plate rests on a concrete slab. determine the stress that the base plate exerts on the concrete slab. express your answer in units of (a) lb/in.

All systems have what 1. output and feedback, 2. process and function, 3. input and process and output, 4. input and output and sensors

For which of these questions could a testable hypothesis be developed? Check all that apply. Does the width of a rubber band affect how far it will stretch? How does the thickness of a material affect insulation?

In a Hall-effect experiment, a current of 3A sent lengthwise through a conductor of 1 cm wide, 4 cm long, and 10 μm thick, produces a transverse (across the width) Hall potential difference of 10 μV when a magnetic field of 1.

What are the starting materials for nuclear fission

Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball?

What is the name of the force that opposes or slows down the motion of objects

If you jump into the air, are your legs pushing you away from the earth or pushing the earth away from you?

All of the following would be useful in trying to obtain procedural information to replicate an experiment previously published except for a lab journal used in the original experiment. a published scientific journal. a dictionary.