Physics

Helppp!!!!! Please!!A 0.144 kg baseball approaches a batter with a speed of . The batter lines the ball directly back to the pitcher with a speed of . Find the impulse exerted on the ball . If the bat and ball were in contact for 0.012 sec , find the average force exerted on the ball by the bat 20 m/s 30 m/s
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What is the net force acting on a jet that has a mass of 130,000kg and it accelerates at a rate of 6m/s as it takes off
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Determine the kinetic energy (in joules) of a 1000 kg roller coaster car that is moving with a speed of 25.0 m/s?
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b. What is the man's weight on Mars where the acceleration due to gravity is3.7 m/s2 ? Show your answer in both Newtons and pounds.
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DESPERATE WILL GIVE BRAINLIST AND THANKSWhich condition would have resulted from the functions of prokaryotes on early Earth?Earth's oceans grew largerless oxygen gas became present in the atmosphereless carbon became present in Earth's soilmore oxygen gas became present in the atmosphere
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What can scan tiny details inside the human body by using principles of electromagnetism.
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does uranium use turbinesi promise to mark brainliest
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Which of the following is a compound? A)oxygen B)water C)nitrogen D)hydrogen
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Hank's mother got tired of everyone's cell phones ringing during dinner, so she wrapped allof the cell phones in aluminum foil at dinnertime. Which of the following best explains howHank's mother solved her problem?Cell phone signals are electromagnetic waves, which are absorbed by the aluminum foilCell phone signals are electromagnetic waves, which are reflected by the aluminum foilCell phone signals are mechanical waves, which are absorbed by the aluminum foilO Cell phone signals are mechanical waves, which are reflected by the aluminum foil
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What materials changed due to the light from the light bulb?(Multiple Choice)A. Plant B. Solar Panels C. GlassD. MelaninE. Foil F. Genetic Material
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What is the terminal velocity of blood? A. 8.9 feet/seconds B. 9.8 feet/seconds C. 25.1 feet/second D. 52.1 feet/seconds
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Provide two reasons why is bronze still used in the manufacture of bells?(NOVA ASSIGNMENT)
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Which statement about homeostasis is most accurate? *1:Homeostasis is the ability of the body to change to match the surrounding environment.Homeostasis is the ability of the body to maintain balance inside the cells, even as the surrounding environment changesHomeostasis is the ability to fight disease.
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A truck accelerates on a highway from rest to 216 m/s in 10s. What is the magnitude of acceleration?
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physics help me pleaseee
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When two positive charges are brought close together, what happens to thefield lines of the charges?
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Listed in the Item Bank are individual steps that need to be ordered. To find out more information about steps, some have more detailsavailable when you click on them. Drag and drop the steps in the proper order by placing each in its corresponding open rectangle. Be surethat the earliest step is placed next to the number 1.
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Investigation to find out relationship between the current in the coil and the force on the iron disc
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Which is heavier , a kilogram of lead or a kilogram of a polystyrene beads ?
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A 65.0 kg skier slides down a 37.20 slope with mu = 0.107.What is the friction force?
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Excessive washing of the skin disrupts the natural growth of bacteria on the skin's surface, increasing thechances of:
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Do all the stars move in the sky ? Explain
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Explain why the same side of the moon is always facing Earth.
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Which of the following materials does not experience any force when it is brought near a magnet?1) Iron2) Silk 3) Steel 4) Cobalt Please fast, I need help.
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