How much work does the archer do in pulling the bow

Reference no: EM13547010

An archer pulls her bowstring back 0.370 m by exerting a force that increases uniformly from zero to 227 N. (a) What is the equivalent spring constant of the bow? ____N/m (b) How much work does the archer do in pulling the bow? _____J

Reference no: EM13547010

Questions Cloud

What is force with which man presses the knife against stone : A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 35 cm diameter stone is spinning at 200 rpm and has a mass of 18 kg. The coefficient of kinetic friction between the knife and the stone is 0.20. If the stone loses 10% o..

What is the maximum emf : A 210 turn coil has an area of 4.8 cm2 and rotates in a magnetic field of 0.5 T. (a) What frequency will generate a maximum emf of 10 V? (b) If the coil rotates at 60 Hz, what is the maximum emf?

What are the impedance and resistance of the circuit : An RLC circuit is driven by a generator with an emf amplitude of 86.3 V and a current amplitude of 1.50 A. The current leads the emf by 0.516 rad. What are the (a) impedance and (b) resistance of the circuit?

What is the current amplitude : A series RLC circuit is driven by a generator at a frequency of 2280 Hz and an emf amplitude of 189 V. The inductance is 61.1 mH, the capacitance is 0.426 ?F, and the resistance is 219 ?. (a) What is the phase constant in radians? (b) What is the cur..

How much work does the archer do in pulling the bow : An archer pulls her bowstring back 0.370 m by exerting a force that increases uniformly from zero to 227 N. (a) What is the equivalent spring constant of the bow? ____N/m (b) How much work does the archer do in pulling the bow? _____J

Coefficient of kinetic friction between crate and surface : A horizontal force of 150 N is used to push a 45.0 kg packing crate a distance of 5.10 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150 N force _________J (b) the coeffici..

An energy-efficient lightbulb-assume an energy cost : An energy-efficient lightbulb, taking in 23.0 W of power, can produce the same level of brightness as a conventional bulb operating at power 100 W. The lifetime of the energy-efficient bulb is 10,000 h and its purchase price is $17.00, whereas the..

What is the sum of these two waves : A source emits sound of wavelength 2.54m an 2.74m in air. Use the speed of sound=343m/s. Write the equations of these two traveling waves in complex exponential notation as a function of wave speed and number. What is the sum of these two waves?

Industrial laser is used to burn hole through piece of metal : An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is S = 1.38 109 W/m2. What is the rms value of each of the following fields in the electromagnetic wave emitted by the laser? (a) the electric fie..

User Account

All Pages