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Part A A net force along the z-axis that has z-component 12.0 N+ (0.300 N/m)z is applied to F. a3.90 kg object that is initially at the origin and moving in the -z-direction with a speed of 7.50 m/s. What is the speed of the object when it reaches the point 7.60 m? Express your answer with the appropriate units. Value Units

Part A A net force along the z-axis that has z-component 12.0 N+ (0.300 N/m)z is applied to F. a3.90 kg object that is initially at the origin and moving in the -z-direction with a speed of 7.50 m/s. What is the speed of the object when it reaches the point 7.60 m? Express your answer with the appropriate units. Value Units

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A net force along the z-axis that has z-component F. =12.0 N + (0.300 N/m2)z is apolied to a 3.90 kg object that is initially at the origin and moving in the -z-direction with a speed of 7.50 m/s. Part A What is the speed of the object when it reaches the point a7.60 m? Express your answer with the appropriate units. Value Units Subrnit Request Anseer When its 80 kW engine is generating full power, a small single-engine airplane with mass 650 kg gains altitude at a rate of 2.5 m/s. Part A What fraction of the engine power is being used to make the airplane cimb? (The remainder is used to overcome the etfects of air resistance and of inefficiencies in the propeller and engine) Express your answer as a percentage to two significant figures. VO AZ Paut Pra Submit Request Answer A5.00 kg block is moving at vo 6.00 m/s alonga frictionless, horizontal surface toward a spring with force constant k =500 N/m that is attached to a wal (Figure 1). The spring has negligible mass. • Part A Find the maximum distance the spring will be compressed. Express your answer to three significant figures and include the appropriate units. HA Value Units Figure 1of 1 Submit Reavest Answer Part B Vo = 6.00 m/s If the spring is to compress by no more than 0.550 m, what should be the maximum value of k = 500 N/m |3D Express your answer to three significant figures and Include the appropriate units. 5.00 kg www Value Units Benueat Aneer • Part A A force in the +I-direction with magnitude F(2) = 18.0 N - (0.530 N/m)z is applied to a 5.40 kg box that is sitting on the horizontal, frictionless surtace of a frozen lake. F(z) is the only horizontal force on the box. If the box is initially at rest at z =0, what is its speed after it has traveled 13.0 m? Express your answer with the appropriate units. For related problemsolving tipe and strategies, you may want to view a Video Tutor Solution of Motion with a varying force. U- Value Units Submit Request Arwer Provide Feedback Next> MO
Transcribed Image Text:A net force along the z-axis that has z-component F. =12.0 N + (0.300 N/m2)z is apolied to a 3.90 kg object that is initially at the origin and moving in the -z-direction with a speed of 7.50 m/s. Part A What is the speed of the object when it reaches the point a7.60 m? Express your answer with the appropriate units. Value Units Subrnit Request Anseer When its 80 kW engine is generating full power, a small single-engine airplane with mass 650 kg gains altitude at a rate of 2.5 m/s. Part A What fraction of the engine power is being used to make the airplane cimb? (The remainder is used to overcome the etfects of air resistance and of inefficiencies in the propeller and engine) Express your answer as a percentage to two significant figures. VO AZ Paut Pra Submit Request Answer A5.00 kg block is moving at vo 6.00 m/s alonga frictionless, horizontal surface toward a spring with force constant k =500 N/m that is attached to a wal (Figure 1). The spring has negligible mass. • Part A Find the maximum distance the spring will be compressed. Express your answer to three significant figures and include the appropriate units. HA Value Units Figure 1of 1 Submit Reavest Answer Part B Vo = 6.00 m/s If the spring is to compress by no more than 0.550 m, what should be the maximum value of k = 500 N/m |3D Express your answer to three significant figures and Include the appropriate units. 5.00 kg www Value Units Benueat Aneer • Part A A force in the +I-direction with magnitude F(2) = 18.0 N - (0.530 N/m)z is applied to a 5.40 kg box that is sitting on the horizontal, frictionless surtace of a frozen lake. F(z) is the only horizontal force on the box. If the box is initially at rest at z =0, what is its speed after it has traveled 13.0 m? Express your answer with the appropriate units. For related problemsolving tipe and strategies, you may want to view a Video Tutor Solution of Motion with a varying force. U- Value Units Submit Request Arwer Provide Feedback Next> MO
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