A uniform rod AB is 1.2 m long and weighs 16 N. It is suspended by mass-less strings AC and BD as shown below. A block P weighing 96 N is attached at E, 0.30 m from A. The magnitude of the tension force in the string BD (in N) is:

Three 5.0 kg spheres are held at distances d1=d2= 0.54 m apart as shown in the figure. What is the potential energy (in nJ) of the system? Note: 1 nJ = 10-9 J

Find the rotational kinetic energy (in Joules) of the composite object in the figure. The axis of rotation is shown with a dashed line. The two thin rods are uniform and each has a length L= 1.0 m and mass M= 6.0 kg. The hoop has a radius L and a mass M. The hoop, the rods, and the axis of rotation are all in the same plane. rotating with angular velocity ω= 4.0 rad/s.

Which of the following is not true about simple harmonic motion?

A football is kicked with initial velocity of 5.7 m/s and with an angle of

Take atmospheric pressure to be 1.01×105 Pa. An airtight box, having a lid of area 80 cm2, is partially evacuated such that the pressure inside is one-half atmospheric pressure. What is the minimum force (in N) required to pull the lid off of the box?

A nylon guitar string has a linear density of μ= 4.88 g/m and is under tensionτ= 144 N. The fixed supports are D= 90.8 cm apart. The string is oscillating in the standing wave pattern as shown in the figure. Calculate the frequency (in Hz) of the traveling waves whose superposition gives this standing-wave pattern.

The movement of muscle is due to the

In humans, the amnion forms from the

Trichomes _____.