C 2000 pascals

D. 200pascals

11.

Which of the following is a second

class lever?

A Crowbar

B. secateurs

c. bottle opener

D. tongs

Workdone is -

A force/distance

B. force x distance

C. force divided by di

What type of radiation is identical in mass charge to a helium nucleus?

A sample contains 24 g of a radioactive isotope. How much radioactive isotope remains in the sample after 2 half-lives? A. 3 g B. 6 g C. 12 g D. 1.5 g

The interference pattern seen when light passes through narrow, closely spaced slits, is due to 1) diffraction. 2) reflection. 3) refraction. 4) dispersion. 5) deflection.

Which of the following metric system units is used when measuring large quantities of water? Gallons Liters mL Cup

0.05 kg bullet collides and sticks to a 2.5 kg stationary block suspended from a string. the bullet and block swings to a maximum height of 12 cm. what was the initial speed of the bullet?

An astronaut on the planet Trappist-1b tosses a rock horizontally with a speed of 7.95m/s. The rock falls through a vertical distance of 2.35m and lands horizontal distance of 9.57m from the astronaut.

Whicg of the following is not a force that would act on a bicycle as it moves down a street gravity air resistance fluid friction sliding friction

A student holds a magnet 1 m from a paper clip and sees no evidence of a force acting between the two. When the student brings the magnet 1 cm away from the paper clip, the paper clip begins to slide toward the magnet.

According to Newton's 3rd Law, an object's momentum depends on it's velocity and mass. 4 dog-sled teams competed to see who could gain the greatest momentum.

When resistors are connecting in a series, does the position of ammeter make any difference?