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What is solar energy? a. the conversion of energy generated through the ocean’s tides and waves b. the conversion of kinetic energy created by moving waves into a source of energy c. the conversion of kinetic energy created by the movement of gasses into a useful form of energy d. the conversion of sunlight and heat into energy

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The figure below shows two blocks connected by a string of negligible mass passing over a frictionless pulley. m1 = 7.0 kg and θ = 12.0°. Assume that the incline is smooth. (a) For what value of m2 the will the system be in equilibrium? m2 = kg (b) If the block has to slide down the incline with an acceleration of 0.4 m/s2, what should be the value of m2? m2 = kg

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How does flowing water change the earths surface

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Adding more aluminum to a sheet of aluminum changes its mass and??

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Describe the difference between a positive and a negative acceleration

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Two objects were lifted by a machine. one object had a mass of 2 kilograms, and was lifted at a speed of 2m/sec. the other had a mass of 4 kilograms and was lifted at a rate of 3 m/sec. which object had more kinetic energy while it was being lifted ?

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Does the temputure change during a change of state

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Describe two changes of state that releases energy

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An object falls freely from rest with an acceleration 10m/s^2. Then the distance travelled after 0.6 secs is?

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If a force of 14 n is applied to an object with a mass of 5 kg the object will accelerate at ______ m/s^2 Just need help with the formula and understanding so I can do rest on my own, can’t talk to teacher right now since its Saturday night, thank you in advance

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A 10 kg mass rests on a table. What acceleration will be generated when a force of 20 N is applied and encounters a frictional force of 15 N?

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When a tennis ball smashes into a tennis racket the ball temporarely changes shape as it compresses aginst the racket which type of energy is temporaily store with the ball as it is compressed

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A cheetah accelerates from rest at a rate of 5.4 m/s2. How far has the cheetah gone after 1.8 seconds?

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A chemical reaction takes place in which energy is absorbed. Arrange the characteristics of the reaction in order from start to finish. lower energy of reactants higher energy of products higher energy of reactants transition state lower energy of products

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A centripetal force causes circular motion because it accelerates an object toward the center of a circle, which changes the direction of motion but not the speed. toward the center of a circle, which changes the speed of motion but not the direction. along the edge of a circle, which changes the direction of motion but not the speed. along the edge of a circle, which changes the speed of motion but not the direction.

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What is happening if heat is added to a liquid but the temperature does not change?

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What’s the acceleration of a 10kg object being pushed to the right on a horizontal floor by a 10n force.?

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Does a zero net force causes an acceleration

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An unbalanced 16-n force is applied to a 2 kg mass what is the acceleration of the mass

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Which of the following is a physical change? A. sawing a piece of wood in half B. burning a piece of wood C. rust forming on an iron fence D. a copper roof changing color from red to green

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During which of the following chemical changes does a precipitate form? A. vinegar is added to baking powder B. lemon juice is added to milk C. lemon juice is added to water D. a banana ripens

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A car starts from rest and travels for 5.8 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.60 s. (a) How fast is the car going at the end of the braking period? 4.2 m/s (b) How far has the car gone from its start?

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Which of these pieces of evidence did NOT help in the development of the theory of plate tectonics? A) The outlines of the different continents look like they could fit together like puzzle pieces. B) Similar fossil evidence has been found on continents separated by great distances. C) Most earthquakes and volcanoes occur along distinct lines around the world. D) No mountains in the world are increasing in size.

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A 60-kg motor sits on four cylindrical rubber blocks. Each cylinder has a height of 3 cm and a cross-sectional area of 15 cm2. The shear modulus for this rubber is 2.0 MPa. A.) If a sideways force of 300 N is applied to the motor, how far will it move sideways? B.) With what frequency will the motor vibrate back and forth sideways if disturbed?

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List 5 Characteristics of fish (Written question!!!!)

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Which of the following is NOT an exercise myth? Question 7 options: A.Aerobic exercise is all that matter B.Women who strength train will bulk up C.Low to moderate level of exertion can be sustained over long periods of time D.Exercise has to be strenuous to be beneficial

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On the moon, which objects would fall with the same acceleration? check all that apply. a. a styrofoam cooler b. a shotput c. a bowling ball

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How does the graph of velocity vs. time look for something with a constant positive acceleration? a.a horizontal line. b. an upward sloping straight line. c.a downward sloping straight line. d.a curving line with upward slope.

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A car collides head on with a stationary sign. The collision brings the car to a stop, but the sign does not move. Which of the following design features would have reduced the force felt by both the car and the sign in the collision? A. a sign that breaks loose from the ground when a force is applied to it B. a car that can carry a greater mass of passengers and cargo C. a car that can decelerate at a greater rate during collisions by not bending on impact D. a sign that can withstand the force of a more massive car without moving

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Which of the following does not accurately describe the forces that exist with an atom

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