This diagram shows a 40-kg object being pulled in one direction while friction acts on it in the opposite direction. Friction
20 N
Pull
140 N
40 kg
What is the net force on the object?
A 140 N
B. 20 N
C. 160 N
D. 120 N
Sign ou

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device

How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound