How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s?

a. 750 J

b. 250 J

c. 100 J

d. 1000 J

When do you use specific heat in your daily life?

Which type of motor uses a brush and commutator to operate?

8. __Which of these is NOT a phenotype. A. Tall B. Short C. Homozygous D. Round It is open book and I missed a week of school so idk the answer,

Which equation is used to calculate the amount of electrical energy used? a) E = t : P b) E = t - P c) E = P + t d) E = P * t

Platinum has a density of 21.4 g/cm3. if thieves were to steal platinum from a bank using a small truck with a maximum payload of 900 lb, how many 1 l bars of the metal could they take?

A sound wave has a frequency of 510 Hz in air. Which of these is closest to the wavelength of this sound? (The speed of sound in air is 343 m/s.

The diagram below shows the process of distillation of saltwater into pure water. Where is the pure water in the diagram? a. A b. B c. C d. D

In what ways, would understanding the body positions, directions, and planes assist you with tasks related to the integumentary, skeletal/muscular, and digestive systems

Concave & convex lens of same mass & radii rotate about an axis passing through their centre & perpendicular to the plane which one will have greater mnment of inertia

Which of the following statements is true? A. Both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction. B. Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. C.