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 75 kg block is being pulled up a 25 degree slope by a force of 200N which is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.15. What is the acceleration of the block?
A polar bear of mass 327 kg stands on an ice floe 129 cm thick. What is the minimum area of the floe that will just support thebear in saltwater of density of 1030 kg/m3
A "Carnot" refrigerator (reverse of a Carnot engine) absorbs heat from the freezer compartment at a temperature of -17°C, How much work must be done by the refrigerator to change 0.20 kg of water at 24°C into ice at -17°C
The flowers of the bunchberry plant open with astonishing force and speed, causing the pollen grains to be ejected out of the flower in a mere 0.30 ms at an acceleration of 2.5×104 m/s2. Evaluate with what speed are pollen grains ejected from a b..
A bungee jumper with mass 0.63 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a lowpoint eight more times in 35.3 s. He finally comes to rest 29.0 mbelow the level of the bridge.
A tow truck pulls a car 5.00 \rm km along a horizontal roadway using a cable having a tension of 850 \rm N. How much work does the cable do on the car if it pulls horizontally
A diverging lens has a focal length of 53 cm.If an object is 40 cm from the lens, What is the magnitude of the magnification for this lens
In an experiment of combustion a mixture of gasoline and oxygen ina "pump" at constant volume, surrounded by water. During the experiment it is observed that the water´s temperature increases
An 80.0 N box is pulled 19.0 m up a 30° incline by an applied force of 97 N that points upward, parallel to the incline. calculate the change in the kinetic energy of the box
a boat has a mass of 6800 kg. its engines generate a drive force of 4400 n due west while the wind exerts a force of
Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.5 cm-3, and their speed is 657 km/s. Find the current density of these protons
Beams of high-speed protons can be produced in "guns" using electric fields to accelerate the protons. (a) What acceleration would a proton experience if the gun's electric field were 3.00 104 N/C? m/s2
A 134g baseball moving 28.6 strikes a stationary 5.20kg brick resting on small rollers so it moves without significant friction. What is the baseball's speed after the collision
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