Estimate the linear speed of the tip of the blade

Assignment Help Physics
Reference no: EM13496527

Consider a 61.5-cm long lawn mower blade rotating about its center at 3230 rpm.

a) Calculate the linear speed of the tip of the blade.

b) If safety regulations require that the blade be stoppable within 2.47 s, what minimum angular acceleration will accomplish this? Assume that the angular acceleration is constant.

Reference no: EM13496527

Questions Cloud

What trading strategy would you instruct your broker : Assume that you are the only investor who does not suffer from the disposition effect and your trades are small enough to not affect prices. Without knowing what will actually transpire, what trading strategy would you instruct your broker to follow?
Explain the characteristic color to certain blue-green algae : Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species
Determine is the transformer step-up or step-down : A model-train transformer plugs into 120-V ac and draws 0.41A while supplying 7.8A to the train. Is the transformer step-up or step-down
Explain how does spartan student work : How does "spartan student" work. Supposedly i have work "due" but I do not see how it is "due" and how my teacher will see my assignments if this is a program. Is my saved work able to be seen by my teacher.
Estimate the linear speed of the tip of the blade : Consider a 61.5-cm long lawn mower blade rotating about its center at 3230 rpm. Calculate the linear speed of the tip of the blade
Determine the direction of the force of an electron : Determine the magnitude of the force on an electron traveling 7.85×105m/s horizontally to the east in a vertically upward magnetic field of strength 0.44T
State glass is a notorious source of metal ion contamination : Glass is a notorious source of metal ion contamination. Three glassbottles were crushed and sieved to collect 1-mm pieces. To see howmuch Al3+ could be extracted, 200mL of a 0.05 Msolution of the metal-binding compound EDTA was stirred with 0.50 g..
What is the peak current for this circuit : An RLC circuit has a sinusoidal voltage supplied to it at 632 kHz with a peak voltage of 748 V; a 25 k? resistance; a 16 µF capacitance; what is the peak current for this circuit
Describe what will happen to the market price once these : Describe what will happen to the market price once these orders are submitted if in fact the takeover will occur in a few hours. What will your brother’s profits be: positive, negative or zero?

Reviews

Write a Review

Physics Questions & Answers

  Find magnitude of acceleration of the boy toward the girl

A 69 kg boy and a 40 kg girl use an elastic rope while engaged in a tug-of-war on an icy, frictionless surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find out the magnitude of the acceleration of the boy toward the girl.

  Hat is the mass of the cylinder

A solid cylinder has an area of 10cm^2 and a height of 1.0m. The cylinder is composed of 2 different materials with mass densities of 2000 kg/m^3, what is the mass of the cylinder

  Calculate the x-component of vector

Calculate the x-component of vector. A uniform electric field of magnitude 375 N/C pointing in the positive x-direction acts on an electron, which is initially at rest.

  What emf is induced in this loop

A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.

  What is the final temperature of cadmium

suppose that the cross section of the hose opening is circular with a radius of 1.5 centimeters.

  At what height does the reflected beam strike the wall

A laser is mounted on a table 1.00m above the ground, pointed at a vertical mirror a horizontal distance 3.48maway. At what height does the reflected beam strike the wall

  Find the initial speed of the rock

A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32m high. Assuming that air resistance can be ignored, find the initial speed of the rock

  What is the final temperature of the system

A 1.5kg- block of ice is initially at a temperature of -7.0C a)If 2.6×10^5J of heat are added to the ice, what is the final temperature of the system? b)Find the amount of ice, if any, that remains.

  How high above the ground is the highest point

When the skateboarder reaches the highest point, how far is this point horizontally from the end of ramp.

  What is the mass of the heaviest person

A swing is made from a rope that will tolerate a maximum tension of 6.44 x 102 N without breaking. What is the mass of the heaviest person

  Calculate the radius of its ground-state orbit

Calculate the radius of its ground-state orbit, Calculate the energy of the electron in the ground state of double ionized lithium

  Find average power engine must deliver to reach a speed

A car (m = 700.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 42.0 m. Find the average power the engine must deliver to reach a speed of 20.3 m/s at the top of the hill in 24.5 s

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd