If you double the radius, for a fixed angular velocity, the tangential velocity will: a. decrease by halfb. stay the samec. increase by a factor of twod. increase by a factor of four

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?