At what speed relative to the cart and at what angle to the

Assignment Help Physics

Reference no: EM13969533

4. A cart is moving horizontally along a straight line with constant speed 30 m/s. A projectile is to be fired from the moving cart in such a way that it will return to the cart after the cart has moves 80 m. At what speed relative to the cart and at what angle to the horizontal must the projectile be fired?

(a) 13.1 m/s at θ = 90° (b) 13.1 m/s at θ = 45°

(c ) 15 m/s at θ = 60° (d) 20 m/s at θ = 30°

5. Two particles are projected from the same point on level ground simultaneously with the same velocity u but at the angles of projection (α-β) and (α+β) respectively (β < 45°). Which of the following statements will be true?

(a) They will have the same horizontal range if α = 45°

(b) They will reach their maximum heights at the time internal of 2υsinβ cosα/g

(d) They are never in the same horizontal leval during their flights.

6. A particle is projected horizontally from the top of a tower. The radius of curvature ofits path at a point where its velocity is v is directly proportional to

a. v³

b. v²

c. v

d. 1/v

Reference no: EM13969533

Questions Cloud

Can ted enforce the promise : Mrs Harris, the owner of three rented houses in Extown, asks her next-door neighbour, Ted, to collect rent from the tenants for her while she is abroad on business. Ted collects the rents and when Mrs Harris returns she says to him, 'I'll give you..

The saas solution uses a multi-tenant architecture. : Your manager has asked you to investigate a Customer Relationship Management (CRM) solution offered as COTS software for in-house installation and as a Software as a Service Cloud solution. Assume the SaaS solution uses a multi-tenant architecture.

Provide a common and consistent office solution : A school decides it wants to provide a common and consistent "office" solution (a software package that includes word processing, spreadsheets, presentation capabilities, and drawing capabilities) to all students and teachers in the school. The schoo..

Withdrawing from the dealership agreement : It further states that it will be withdrawing from the dealership agreement from the end of 2007 to be able to con- centrate its resources on its south of England car dealers.

At what speed relative to the cart and at what angle to the : A cart is moving horizontally along a straight line with constant speed 30 m/s. A projectile is to be fired from the moving cart in such a way that it will return to the cart after the cart has moves 80 m. At what speed relative to the cart and at wh..

Average joes competing to make an impact : Directions: You are a brand new coffee chain, Average Joes competing to make an impact on the coffee industry through an application similar to Starbucks.com. You are required to provide a design of the program that includes: a pseudocode, and a comp..

Explain how edm could be used in your ais class : Explain how EDM (Electronic Document Management) could be used in your AIS class to eliminate all paper flow between the students and professor

How important is cultural communication in treating patients : How important is cultural communication in assessing, processing, or treating patients? How important is it to understand verbal or non-verbal communications?

How many stoves must packer inc sell to meet the target cost : Using cost + pricing calculate the price, given the cost and profit information and calculate the Target cost per stove. How many stoves must Packer Inc. sell to meet the target cost?

User Account

All Pages