Why do alpha particles and nuclei repel each other rather than attract eachother

U need to cut down 3 trees to get about 5 kilograms of bark. About how many trees u have to cut down each year to make enough paclitaxel for 60,000 patients

If I spacecraft seems to be Motionless in deep space is given some type of quick push what will happen

The basic barometer can be used to measure the height of a building. If the barometric readings at the top and at the bottom of a building are 675 and 695 mm Hg, respectively, determine the height of the building.

At the same velocity, which object will have the greater momentum a 1000 kg compact car a 5000 kg pick up truck a 50 kg bicycle a 70 kg man

How much kinetic energy does a 4.50kg block with a speed of 5.00m/s have? O 11.23 28.13 5.62) 56.23

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A diffraction grating is illuminated simultaneously with red light of wavelength 670 nm and light of an unknown wavelength. The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light.

Four soccer players are running down the field at the same speed. Player 1 weighs 145 lbs and is running toward the north goal, player 2 weighs 175 lbs and is running toward the south goal, player 3 weighs 155 lbs and is running toward the south

Pure water has a hydrogen ion concentration of 1 x 10 (-7) M and a ph of 7. A student measures a basic solution and finds that it has a hydrogen ion (H+) concentration of 1 x 10 (-3).

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