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!
A radioactive isotope has a half-life of 82.0 min. A sample is prepared that has an initial activity of 1.70×1011 Bq
A. How many radioactive nuclei are initially present in the sample?
B. How many are present after 82.0 min?
C. What is the activity after 82.0 min?
D. How many are present after 164 min?
E. What is the activity after 164 min? in Bq
A cube of mass m is sliding without friction at speed vo. It undergoes a perfectly elastic collision with the bottom tip of a rod length d and mass M = 2m. The rod is pivoted about a frictionless axle through its center, and initiall y it hangs strai..
Two long parallel wires each carry 2.7 Amp in the similar direction, with their centers 1.7 centimeter apart. Obtain the magnitude of the magnetic field halfway between the wires
The viscosity of water at 25C is about .00089 Pa s. The inner diameter of PE160 polyethylene tubing is 1.14mm. Assume steady state laminar flow. What is the velocity of the flow
The far point of a nearsighted person is 5.2 meter from her eyes, and she wears contacts that enable her to see distant objects clearly. Determine how high is the image formed by the contacts
a 0.45 f parallel- plate capacitor is connected to a 6v battery. a how much is the charge on the plates? b what is the
Without taking the existence of the nebula into consideration, based on its apparent magnitude, how far away does the star in part (b) appear to be? What would the propotion error be in determining the distance if interstellar extinction were negl..
A 12.0 g bullet is fired horizontally into a 106 g wooden block that is at first at rest on a frictionless horizontal surface and connected to a spring having spring constant 143 N/m.
A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.19mm a)Assuming an initial temperature of 22 degrees celsius, find the final temperature of the ball.
The two organ pipes are joined to form a single organ pipe then it will resonate with what frequency (consider fundamental mode of vibration of organ pipe)
A railroad boxcar that has " due east" momentum of 15,000 kgm/sec collides with and couples with a similar boxcar that has "due west" momentum of 20,000kgm/sec. After collision, the combination has ( ) kgm/sec total of momentum.
A skateboarder shoots off a ramp with a velocity of 5.1 m/s,directed at an angle of 59° above the horizontal. The end ofthe ramp is 1.4 m above the ground.
A 1120-kg car with an initial velocity of 21.0 m/s eastward crashes into the back of a 3180 kg cargo van, How much kinetic energy is lost from the car-van system
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