- Which of the following distance-time graphs shows a truck moving with speed which is not constant.
Motion and Time Chapter 13 Class 7 Science
Capítulo 13 de Movimiento y Tiempo Clase 7 Ciencias
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P1. En una reunión atlética escolar, un niño corrió a una velocidad 2m/s y quedó primero en una carrera de 200m. ¿Qué distancia recorrió por segundo?
P3. Un péndulo simple tarda 32s en completar 20 oscilaciones. ¿Cuál es el período del péndulo?
P4. La distancia entre dos estaciones es de 240 km. Un tren tarda 4 horas en cubrir esta distancia. Calcula la velocidad del tren.
P5. La unidad básica de velocidad es: (i) km/min (ii) m/min (iii) km/h (iv) m/s
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5 sections • 5 lectures • 00:37:54 total lengthQ1. In a school athletic meet, a boy ran at a speed 2m/s and stood first in 200m
08:46
Q1. In a school athletic meet, a boy ran at a speed of 2m/s and stood first in a 200m race. How much distance is covered by him per second?
Q2. Rahul and Rijul are going on the excursion. They both have to go to the same place and cover a certain distance but in different cars. If Rahul covers a certain distance in one hour and Rijul covers the same distance in two hours. Who travels with a higher speed?
Q.3. A simple pendulum takes 32s to complete 20 oscillations. What is the time period of the pendulum?
Q. 4. The distance between the two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
Q. 5 The basic unit of speed is:(i) km/min (ii) m/min(iii) km/h (iv) m/s
Q6. Define the following terms:-A) Distance B) Time : C) Speed:
08:42
Q6. Define the following terms:-
A) Distance
B) Time :
C) Speed:
D) Uniform Motion:
E) Average Speed
Q. 7. Change 20 m/s to km/h
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P1. En una reunión atlética escolar, un niño corrió a una velocidad de 2m/s y quedó primero en una carrera de 200m. ¿Qué distancia recorrió por segundo?
P2. Rahul y Rijul van a una excursión. Ambos tienen que ir al mismo lugar y cubrir cierta distancia pero en diferentes autos. Si Rahul cubre cierta distancia en una hora y Rijul cubre la misma distancia en dos horas. ¿Quién viaja a mayor velocidad?
P3. Un péndulo simple tarda 32s en completar 20 oscilaciones. ¿Cuál es el período del péndulo?
P4. La distancia entre dos estaciones es de 240 km. Un tren tarda 4 horas en cubrir esta distancia. Calcula la velocidad del tren.
P5. La unidad básica de velocidad es:
(i) km/min (ii) m/min
(iii) km/h (iv) m/s
P6. Define los siguientes términos:
A) Distancia
B) Tiempo:
C) Velocidad:
D) Movimiento Uniforme:
E) Velocidad Promedio
P7. Cambia 20 m/s a km/h
P8. Cambia 54km/h a m/s
P9. Un tren eléctrico se mueve a una velocidad de 30m/s. ¿Qué distancia recorrerá en 30s?
P10. Un autobús tarda 30 minutos en recorrer una distancia de 25 km. Calcula la velocidad del autobús en km/h.
P11. Un tren viaja a una velocidad de 110km/h. ¿Cuánto tiempo tardará en completar un viaje de 605 km, sin ninguna parada en el medio?
P12. El tiempo tomado para 20 oscilaciones es de 40 segundos. Calcula el período de un péndulo simple.
P13. Traza el gráfico a partir de los siguientes datos:
También responde a la siguiente pregunta:
¿Qué tipo de movimiento muestra el gráfico?
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