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Part D It has been suggested that rail guns based on this principle could accelerate payloads into earth orbit or beyond. Find the distance the bar must travel along the rails if it is to reach the escape speed for the earth (11.2 km/s). Let B = 0.90 T I= 1600 A , m 21 kg, and L = 46 cm. For simplicity, assume the net force on the object is equal to the magnetic force, as in parts A and B, even though gravity plays an important role in an actual launch into space. Express your answer using two significant figures. d = 1.91 10° m

Part D It has been suggested that rail guns based on this principle could accelerate payloads into earth orbit or beyond. Find the distance the bar must travel along the rails if it is to reach the escape speed for the earth (11.2 km/s). Let B = 0.90 T I= 1600 A , m 21 kg, and L = 46 cm. For simplicity, assume the net force on the object is equal to the magnetic force, as in parts A and B, even though gravity plays an important role in an actual launch into space. Express your answer using two significant figures. d = 1.91 10° m

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<Homework 7 - Magnetic Field and Forces Problem 27.65 A conducting bar with mass m and length L slides over horizontal rails that are connected to a voltage source. The voltage source maintains a constant current I in the rails and bar, and a constant, uniform, vertical magnetic field B fills the region between the rails (see the figure (Figure 1)). It tra Le pai Figure 1 of 1 Ex d Su Provide Feed Type here to search
Transcribed Image Text:<Homework 7 - Magnetic Field and Forces Problem 27.65 A conducting bar with mass m and length L slides over horizontal rails that are connected to a voltage source. The voltage source maintains a constant current I in the rails and bar, and a constant, uniform, vertical magnetic field B fills the region between the rails (see the figure (Figure 1)). It tra Le pai Figure 1 of 1 Ex d Su Provide Feed Type here to search
Part D It has been suggested that rail guns based on this principle could accelerate payloads into earth orbit or beyond. Find the distance the bar must travel along the rails if it is to reach the escape speed for the earth (11.2 km/s). Let B = 0.90 T, I= 1600 A , m = 21 kg, and L = 46 cm. For simplicity, assume the net force on the object is equal to the magnetic force, as in parts A and B, even though gravity plays an important role in an actual launch into space. Express your answer using two significant figures. d= 1.91 10° m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Next > Provide Feedback 11:22 AM O 4) 0. C 84 F 7/9/2021
Transcribed Image Text:Part D It has been suggested that rail guns based on this principle could accelerate payloads into earth orbit or beyond. Find the distance the bar must travel along the rails if it is to reach the escape speed for the earth (11.2 km/s). Let B = 0.90 T, I= 1600 A , m = 21 kg, and L = 46 cm. For simplicity, assume the net force on the object is equal to the magnetic force, as in parts A and B, even though gravity plays an important role in an actual launch into space. Express your answer using two significant figures. d= 1.91 10° m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Next > Provide Feedback 11:22 AM O 4) 0. C 84 F 7/9/2021
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