delarosaannam delarosaannam

23-10-2019
Physics

contestada

A 250 kg ball sits on a frictionless track inclined at an angle of 45 ◦ as shown in Fig. 3. What is the magnitude of the force (F ) needed to keep the ball in place?

Respuesta :

jazzy200684 jazzy200684

23-10-2019

I don’t knowwwwwwwwwwwwww

Answer Link

Otras preguntas

MARK AS BRAINLIEST Allie needs at least 50 hours of community service for social studies class. She already has 20. How many more hours does she need? Write an

How do you solve this? My algebra 2 teacher taught it to us in class but it still confuses me! Thank you!

The amount of insurance needed will a. depend on risks being covered. b. depend on the security of your money. c. depend on the availability of your money. d. a

1. Read the case study below and choose the best possible answer to the following questions. Keisha is a first-year student taking 15 credits. She has found

2. What crime did Lennie commit?

5 . Loan amortization and capital recovery Ian loaned his friend $20,000 to start a new business. He considers this loan to be an investment, and therefore req

An independent-measures study comparing two treatment conditions produces a t statistic with df = 18.If the two samples are the same size, how many participants

A ball starts from rest and accelerates at 0.465 m/s2 while moving down an inclined plane 8.20 m long. When it reaches the bottom, the ball rolls up another pla

The bone that is attached to the eardrum is called the ________; the bone that is connected to the oval window is called the ________. hammer (malleus); stirrup

The . . pattern typically deals with the origins and results of a phenomenon. 1. opical 2.cause and effec 3. chronoloical