Timothy D.

Question :The cantilever beam AB of length L carries a uniformly distributed W load , which includes the weight of the beam.(Note that the left end end A is free , while right end has a fixed... more

Interpret the initial value problem d2θ/dt2+ß2θ=0, θ(0)=θ0 , dθ/dt]t=0=ω0for any physical situation and hence solve the problem.

1.A 6,900 kg freight truck accelerates from 5 m/s to 48 m/s in 12 s by applying a constant force. What change in momentum occurs?2.A 6,900 kg freight truck accelerates from 10 m/s to 41 m/s in 5.7... more

The distance between two point charges q1 = 7.5⋅10-9 C and q2 = -14.7⋅10-9 C is 5 cm.Calculate the intensity of the electric at the point that is 3 cm from the positive charge and 4 cm from the... more

a jet airliner, flying initially at 300 mi/hr due east, suddenly enters a region where the wind is blowing 100 mi/hr, pushing the aircraft in the direction 30° north of east. what is the resultant... more

Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 49.9 N to the north. Jenny’s foot exerts a force of 91.5 N to the east.a) What is the magnitude of the... more

Suppose you are trying to draw a heart from a regular deck of 52 cards. After each draw, you DO NOT replace the card before you draw again. What is the smallest number of cards you might have to... more

A rectangular garden with area of 30 sq. meters is surrounded by a grass border 1 m. wide on the east and west side but 2 m. wide on the north and south side. What dimensions of the garden minimize... more