A physical science test book has a mass of 4.2 kg a. What is the weight on the Earth?

b. What is the weight on Mars (g = 3.7 m/s2 )

c. If the textbook weighs 20.5 newtons on Venus, What is the strength of gravity on Venus?

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?