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!
Solve the following question:
Question: Determine the mass of a pure sample of a radioactive isotope (atomic mass number 40) with an initial decay rate of 1.7 x 105 s-1. The half-life of the isotope is 1.17 x 109 yr.
Answer in g
I need expert help to solve the following question.
An electric dipole attached to a massless rod of length b is placed in a uniform electric field E. Find the natural frequency of oscillation if the dipole is slightly rotated from its equilibrium position and released.
Two particles each weigh 1.03 N. Find the magnitude of their mutual gravitational force when they are separated by a distance of 21.1 cm
A converging lens is placed 22.0 cm to the right of a diverging lens of focal length 14.0 cm. Calculate the focal length of the converging lens
A bullet of mass 11.1 g is fired into an initially stationary block and comes to rest in the block. How much kinetic energy is lost
a spacecraft in an orbit about earth has speed 10000 ms at a perigee of 7010 km from earths center. what is the speed
Identify (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's total displacement measured from its starting direction.
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the period of a satellite in a geosynchronous orbit
a pair of adjacent coils has a mutual inductance of 1.5 h. if the current in one coil changes from 0 to 20 a in 0.5 s
A space probe is traveling in outer space with a momentum that has a magnitude of 7.80 107 kg · m/s. Determine the momentum of the probe after the retrorocket ceases to fire
A cat is brought into a vets office you need to find itscenter of gravity. what is the total weight of the cat
A tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork while waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
Astronomy subject
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