Science
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Q. A 1 kg object is moving with a velocity of 10 m/s. What is its momentum?
Q. A 2 kg block is at rest on a horizontal surface. What is the normal force acting on it?
Q. A 4 kg object is dropped from a height. What is its velocity just before it hits the ground (neglect air resistance) if it falls for 3 seconds?
Q. A 5 kg object is subjected to a net force of 15 N. What is its acceleration?
Q. A certain variety of rice produces 2.5 tons per hectare. If a farmer has 10 hectares, how much rice will he produce?
Q. A farmer has a field that produces 300 kg of wheat per acre. If he has 8 acres, how much wheat does he produce in total?
Q. A farmer uses 40% of his land for vegetables and the rest for grains. If his total land is 50 acres, how many acres does he use for grains?
Q. A farmer uses 50 kg of seeds to plant 1 hectare. If he wants to plant 5 hectares, how many kg of seeds does he need?
Q. A force of 10 N is applied to an object of mass 2 kg. What is the acceleration of the object?
Q. A new irrigation system increases crop yield by 30%. If the original yield was 600 kg, what is the new yield?
Q. An object is moving in a circular path of radius 10 m with a constant speed of 5 m/s. What is the centripetal acceleration?
Q. How many electrons can occupy the first energy level of an atom?
Q. If 5 grams of salt is dissolved in 100 mL of water, what is the mass of the solution?
Q. If a 3 kg object is pushed with a force of 12 N, what is the net force acting on it if there is a frictional force of 3 N?
Q. If a car accelerates from rest to a speed of 20 m/s in 5 seconds, what is the average acceleration?
Q. If a cell's membrane is permeable to water but not to solutes, what will happen to the cell in a hypertonic solution?
Q. If a crop's yield is expected to decrease by 10% due to drought, and the current yield is 800 kg, what will be the expected yield after the decrease?
Q. If a farmer increases his crop yield by 20% and his original yield was 1500 kg, what will be his new yield?
Q. If a farmer sells his produce for $2.50 per kg and he has 1200 kg to sell, what will be his total revenue?
Q. If a farmer wants to increase his production by 25% and his current production is 4000 kg, what should be his target production?
Q. If a force of 50 N is applied to a 10 kg object, what is the object's acceleration?
Q. If a solid is heated, what is the most likely change that will occur?
Q. If a solution contains 20% sugar by weight, how many grams of sugar are in 200 grams of the solution?
Q. If an atom has 6 protons and 6 neutrons, what is its atomic mass?
Q. If an atom has an atomic number of 15, how many electrons does it have?
Q. If the cost of fertilizers increases by 15% and the original cost was $200, what is the new cost?
Q. In which part of the cell does cellular respiration primarily occur?
Q. What determines the chemical properties of an element?
Q. What happens to the volume of a gas when it is compressed?
Q. What is the atomic number of an element?