Gregory makes a sandwich using 20 grams of peanut butter and 10grams of jelly and 5 grams of bread. what is the mass of the sandwich?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d