Question
Asked Feb 6, 2019
2404 views

A stone is thrown with an initial speed of 15m/s at an angle of 53° above the horizontal from the top of a 35m building. If g=9.8m/s^2 and air resistance is negligable, then what is the speed of the rock as it hits the ground?

check_circle

Expert Answer

Step 1

From this we will get the  time flight of the projectile.

fullscreen
Step 2

Here as per the question it is projected from the top of the buliding which is 35 m heigh form the ground, so here i took -ive.

fullscreen
Step 3

Now 

From the equation 1 and 2

we got the value of a...

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Related Physics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: We have 39.5 g of a particular substance. Its specific heat in solid form is 0.8 J/(g K) and its spe...

A: The unit of temperature is not given. As the unit of Temperature used in specific heat is Kelvin. So...

question_answer

Q: 48. A horizontal 800-N merry-go-round is a solid disk of radius 1.50 m and is started from rest by a...

A: Equations for the moment of inertia of disc about an axis passing through the centre and perpendicul...

question_answer

Q: Can someone please help me understand what I'm doing wrong on this one?

A: Acceleration is the rate of change of velocity. It is equal to the slope of the graph about the poin...

question_answer

Q: In the figure, set R = 266 Ω, C = 54.6 μF, L = 263 mH, fd = 60.0 Hz, and εm = 7.49 V. What are (a) Z...

A: Given,

question_answer

Q: An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s an...

A: Given:Initial velocity of the football player, u = 6.5 m/sFinal velocity of the football player, v =...

question_answer

Q: Can you show how to work this please?

A: The ideal gas equation is,

question_answer

Q: (a) How much gravitational potential energy (relative to the ground on which it is built) is stored ...

A: a)The gravitational potential energy is,

question_answer

Q: Chapter 27, Problem 007 from A wire of resistance 5.1 Ω is connected to a battery whose emf ε is 4.0...

A: Given: R = 5.1 ohmr = 0.69 ohmemf = 4 Vt = 2.1 min = 2.1 × 60 = 126 secondsFind: (a) The energy tran...

question_answer

Q: Jenny and Alyssa are members of the cross-country team. On a training run, Jenny starts off and runs...

A: Given,