Consider a very small hole in the bottom of a tank 30 cm in diameter filled with water to a height of 10 cm. find the speed at which the water exits the tank through the hole.

What evidence supports a conservation law? A: Energy from sunlight becomes glucose during photosynthesis. B: Carbon dioxide becomes glucose and oxygen during photosynthesis.

After downloading this program, set the initial conditions of your computer model to the following: Relaxed length of spring, L_0: 0.3 m Spring constant, k_s: 12 N/m Anharmonic coefficient, / epsilon: 0.6169 N/m^2 Mass of hanging mass: 0.

A record turntable is rotating at 33 1 3 rev/min. a watermelon seed is on the turntable 5.0 cm from the axis of rotation. (a) calculate the acceleration of the seed, assuming that it does not slip. (enter the magnitude.)

If an object has a mass of 38 kg, what is its approximate weight on earth?

a piece of metal with a mass of 15.3 grams has a temperature of 50.0°C. When the metal is placed in 80.2 grams of water at 21.0°C, the temperature rises by 4.3°C. What is the specific heat capacity of the metal?

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?

Juan is interested in finding out whether hummingbirds are attracted to some flowers more than others. In what order should Juan perform the steps of his experiment?

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.

Which of the following diagnostic procedures uses ultrasound?