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!
An investigator collects a sample of a radioactive isotope with an activity of 4.3x105Bq . 48hourslater, the activity is 1.0x1105Bq .
What is the half-life of the sample?
Express your answer to two significant figures and include the appropriate units.
A 0.41 kg ball is moving horizontally with a speed of 6.2 m/s when it strikes a vertical wall. What is the magnitude of the change in linear momentum of the ball
An auto goes from 0 to 30 m/s in 5 s, at a uniform rate of acceleration. The radius of the auto's tires is .33 m. How many revolutions per second are the tires making
A 21 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 80.5 N and is directed at an angle of 30° above the horizontal. Determine the coefficient of kinetic friction.
When rolling a ball down an inclined plane, the ball rolls 1 cubit in ten seconds. How far will the ball have rolled from its starting point after 20 seconds
You throw a ball vertically upward so that it leaves the ground with velocity 6.05 m/s. (a) What is its velocity and direction when it reaches its maximum altitude? magnitude m/s
a uniform electric field of 300 nc makes an angle of 25o with the dipole moment of an electric dipole. if the potential
In a 280-turn automobile alternator, the magnetic flux in each turn is ?B = 2.50 multiply.gif 10-4 cos ?t, where ?B is in webers, ? is the angular speed of the alternator, Determine the maximum emf in the alternator
A square uniform raft, 16 m by 16 m, of mass 6060 kg, is used as a ferryboat. If three cars, each of mass 1140 kg, occupy the SE, NE and SW corners, decide the CM of the loaded ferryboat. (Consider the SW corner of the boat to be the coordinate origi..
you have two capacitors one with capacitance 10.5 of and the other of unknown capacitance. you connect the two
The star nearest the earth (the sun) radiates the most energy at a wavelength of 470 nm. What is the temperatures of the sun's outer layer, the photosphere
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 2.85 multiplied by 10-4 m3, What mass of gold is contained in the rock
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
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