Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
50 small round balloons float in a volume with surface area 10m x 10m, and a width of 0.5 meter. Each balloon has a diameter of 0.2meter.
a) Find what is the number density (in m^-3) of balloons?
b) Find what is the fraction of the total surface blocked by balloon?
c) If bullets are used to hit balloons, what is the maximum impact parameter (in m) to hit a balloon? Find the cross section (in m^2) for hitting a balloon? Find the typical scattering angle (in degrees) of a bullet?
d) If ping-pong balls (diameter=3 centimeter) are used to hit balloons, Find the maximum impact parameter (in m) to hit a balloon? Determine the cross section for hitting a balloon?
The work needed to remove an electron from the surface of sodium is 2.3eV. Find the maximum wavelength of light
The company's basis in the inventory is $5,000. Explain how large a deduction is it allowed for this charitable contribution?
two speakers with amplitude a each are on an axis are seperated by 10cm. a microphone is put at some distance on the
An inductor with an inductance of 2.60H and a resistor with a resistance of 14.0ohms are connected to the terminals of a battery with an emf of 7.00V, obtain the initial rate of increase of current in circuit
A coffee filter of mass 1.2 grams dropped from a height of 3 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did air molecules gain from the falling coffee filter.
A homeowner is trying to move a stubborn rock from his yard which has a mass of 1.150 × 103 kg. what is the minimum total length of board required to move the rock
Earth's radius is 6.38 × 106 m, and it completes one revolution every day. What is the tangential speed of a person standing on the equator
You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -17.30 eV. What is the energy of the first photon emitted
A square loop and a rectangular loop are each made from the same length of wire. Each loop contains a single turn, and carriesthe same amount of current. The loops are placed in the sameuniform magnetic field.
A dock worker applies a stable horizontal force of 79.0 {rm N} to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 14.0 {rm m} in the first 6.00 {rm s}.What is the mass of the bl..
A 49.5 kg boy jumps on a 4.95 kg pogo stick with spring constant 3650 N/m, Find the period of the boy's motion
What is the minimum area (in square meters) of the top surface an ice slab 0.251 m thick floating on fresh water that will hold up a 1060 kg automobile
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd